magnet sales manufacturing inc. · magnet the size of a tennis ball - 9 times it’s volume! though...

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&&Magnet SalesManufacturing Inc.Magnet SalesManufacturing Inc.

C E R A M I C

R I N G S & A R C S

Magnet Sales & Manufacturing Company - a snapshot

ABOUT OUR COMPANY

Since 1955, magnets have been our business. From technicalassistance for high-tech applications to recommending sensible magnets for down-to-earth ones.

HIGH QUALITY MAGNETS

FROM RARE EARTHS TO FLEXIBLES

Get just about every material available. In every grade andstrength. From the incredibly powerful Rare Earth magnets tothe extremely economical Flexible types.

OVER 6 MILLION MAGNETS IN

STOCK, AND AVAILABLE IN 24 HOURS.

COAST TO COAST.

Stock magnets can be shipped within 24 hours from one ofthe largest magnet inventories anywhere. Over 6 millionmagnets. So the magnet you need is probably in stock, evenif it’s not in this catalog. Plus we can provide scheduled shipments to fit your production schedule.

ASSISTANCE IN SELECTING THE PROPER MAGNET.

AND CUSTOM FABRICATION TOO.

Experienced staff to help you select the right magnet for the job. For more technical applications, we can model a magnet on computer to predict it’s behavior. Plus we havefull fabrication facilities. To cut, score, slit, punch, or diecut flexible magnets, or machine and assemble other hardmagnets.

SHORT RUNS ARE NO PROBLEM

Whether it’s one or a million, we have the capacity to handle your needs, fast and competitively. We’re ready tohelp you get your projects off the ground.

ABOUT OUR COMPANY

HIGH QUALITY MAGNETS

FROM RARE EARTHS TO FLEXIBLES

OVER 6 MILLION MAGNETS IN

STOCK, AND AVAILABLE IN 24 HOURS.

COAST TO COAST.

SHORT RUNS ARE NO PROBLEM

ASSISTANCE IN SELECTING THE PROPER MAGNET.

AND CUSTOM FABRICATION TOO.

SECTION 1: MAGNET MATERIALS

Flexible MagnetsCeramic MagnetsAlnico MagnetsNeodymium Iron Rare Earth MagnetsSamarium Cobalt Rare Earth MagnetsMagnetization PatternsKey Characteristics of Magnet Materials

SECTION 2: MAGNETS FOR THE OFFICE AND SHOP

Magnetic Picture Hangers,Coat Hooks, and Visual AidsPocket MagnetsHolding and Lifting MagnetsMagnetic SweepersElectromagnetsMagnetic Catches

SECTION 3: MEASURING, LEARNING, AND FUN WITH MAGNETS

Measuring Magnetic FieldsBooks for the “Technical Layperson”

ABOUT OUR CATALOGS

We have so many magnets and there are so many applications that we have published several catalogs to helpyou locate the magnets you need. Some of these are:

High Performance Permanent Magnets - directed towardthe technical user.

Flexible Magnets - a comprehensive selection of rubbertype flexible magnets.

Magnets for Material Handling - magnets for holding, lifting, cleaning, and identifying; usedfor plant maintenance and material handling applications.

Magnetic Drives - custom magnetic couplings used fornon-contact drives.

Magnetic Systems for Scientific Applications - complexcustom magnetic assemblies such as Halbach arrays, usedfor research purposes.

Catalog H - craft magnets for the small to medium sizeduser.

Catalog R - craft magnets packaged for resale.

CONTENTSABOUT OUR CATALOGS

Magnet Inventory Locations In

PensylvaniaTexasFrance

United Kingdom

E-mail

[email protected]

Web

http://www.magnetsales.com


© Copyright 1999, Magnet Sales & Manufacturing Co., Inc.

No part of this catalog may be reproduced without written permission from

Magnet Sales & Manufacturing Company.

Important Note to Purchaser

All statements, technical information, and recommendations contained herein are based on tests we believe to be

reliable, but the accuracy or completeness of which is not guaranteed, and the following is made in lieu of all

warranties, expressed or implied:

Seller’s and manufacturer’s only obligations shall be to replace such quantities of the product proved to be defective.

Neither seller nor manufacturer shall be liable for any injury, loss, or damage, direct or consequential, arising out of

the use, or inability to use, the product. Before using, the user shall determine the suitability of the product for his

intended use, and user assumes all risk and liability whatsoever in connection therewith. No statement or

recommendation contained herein shall have any force or effect, unless in an agreement signed by the officers of both

user and seller. Colors shown in this catalog may not match that of actual product.

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General Information on Magnet Materials 1-2

Flexible Magnetic Strip 1-3

Flexible Magnetic Sheet 1-4

High Energy Flexible Rectangles,Discs, and Rings 1-5

Ceramic 5 Discs 1-6

Ceramic 5 Bars and Blocks 1-7

Ceramic 8 Blocks 1-8

Ceramic 5 Rings 1-9

Ceramic 1 Discs, Rings, & Rectangles 1-10

Alnico Magnets 1-11

Rare Earth Neodymium Magnets 1-15

Rare Earth Samarium Cobalt Magnets 1-17

Notes on Magnetization Patterns 1-18

Key Properties of Magnet Materials 1-19

A Quick Look at Different Magnet Materials

Modern magnet materials are available in many different alloys, eachdesigned to achieve a different objective. The ultimate objective is usually to choose the most economical magnet that will do the job reliably. Correct selection of the magnet material, size, and shape, cangive you just that. Tell us about your application, and we’ll help.

Here’s a quick look comparing the different magnet materials. This willhelp guide you towards the magnet that you need. Please see page 1-2for more information.

COST

STRENGTH

RESISTANCE TO DEMAGNETIZATION

MACHINABILITY

MAXIMUM PRACTICAL OPERATING TEMPERATURE

SS

X

FLEX

IBLE

CER

AM

IC

ALN

ICO

NEO

DY

MIU

M

SA

MA

RIU

M

CO

BA

LT

MagnetMaterials

Color Index

SECTION 1 : MAGNET MATERIALS

H E L P I N G YO U C H O O S E

Y O U R M A G N E T

Comparison of Magnet Materials

Flexible Magnets: very low cost, easy to use, easy to cutwith scissors or paper cutters, can be laminated with anadhesive on one side making it very easy to attach to yourproduct. Normally magnetized with multiple poles on onlyone surface to give higher holding strength. High energyflexible magnets are similar in strength to the Ceramic 1types, but are far easier to machine to specific shapes andsizes.

Ceramic Magnets: low cost, yet relatively high strength, themost widely used magnets today. Ceramic 5 and 8 are significantly stronger than the Ceramic 1 types. A wide variety of standard shapes and sizes are available. Hard tomachine, Ceramic magnets are highly resistant to demagneti-zation.

Alnico Magnets: The most temperature stable magnet material, can be used up to 1,000 degrees Fahrenheit!Alnico 5 should normally be used in long (in relation to theother dimensions) lengths, to avoid self demagnetization.Alnico 8 can be used short lengths. Very hard to machine,Alnicos are relatively costly materials, containing largeamounts of cobalt. Alnicos require careful handling to avoiddemagnetization.

Neodymium Rare Earth Magnets: The most powerful classof magnet materials available today. A Neodymium magnetthe size of a grape has the same strength as a Ceramic magnet the size of a tennis ball - 9 times it’s volume!Though costly, these magnets can be used very effectively tominiaturize large components. Because of their highstrength, smaller magnets can be used to get the same ener-gy. Extremely resistant to demagnetization, Neodymiummagnets have to be protected against rust - by encapsulating,painting, varnishing, or, plating - and should not be used attemperatures above about 300 degrees Fahrenheit withoutcareful design.

Samarium Cobalt Rare Earth Magnets: The most costlymagnet material, Samarium Cobalts can maintain their highmagnetic properties up to almost 600 degrees Fahrenheit,and do not have any rusting problems. This material isextremely brittle, hard to machine, and should be handledwith care to avoid chipping and cracking.

Dimensions and Tolerances

All dimensions in this catalog are in inches. (To convertfrom inches to millimeters, multiply the inch dimensions by25.4.) The dimensions stated in the catalog are nominaldimensions. Actual dimensions vary a little from the nominal. The band within which the dimensions may varyis the “tolerance band”. In general, you can expect a standard tolerance of + 0.010" on the thickness if machined,or + 0.020" if not machined. (The tolerance on the thickness of Flexible materials is + 0.005".) On otherdimensions, the tolerances are the greater of + 0.020" or + 2% of the dimension.

Please remember, we have a full machine shop and are ableto custom machine any magnet material to virtually anyshape, size, and tolerance.

The “Magnetization Direction”

Except for the low energy Flexibles and the Ceramic 1 types,all magnet materials in this catalog are “oriented”. Thismeans that they can only be magnetized through one specificdirection. The orientation direction is shown by the symbol . The magnetic poles and therefore the strongestsurfaces are on either end of the arrows.

Assembling Your Magnets

Adhesives of various types are recommended to assemblemagnets to your product. All adhesives require that for bestresults the surfaces to be bonded should be clean and dry. Itis best to experiment with adhesives for your product beforedeciding on one.

Safety First

Large Ceramic magnets and all Rare Earth magnets can beextremely powerful, and great care should be taken to avoidinjury to personnel who handle the magnets. All hard magnet materials are brittle, so avoid dropping them orallowing them to snap towards each other. And rememberthat magnetic fields can destroy data on floppy discs andshould be kept away from sensitive electronic equipment.

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Total Magnetic Solutions

F L E X I B L E

F L E X S T R I P

The Ultimate in Versatility! Low cost EZ-Grip Flexible Magnetic Stripmakes your product instantly magnetic. From the largest inventory ofFlexible Magnets anywhere.

In convenient roll sizes. We supply rolls of about 12” diameter for ease of handling. For material which is 0.060” thick, this is a 100 foot long roll weighingin at about 5 pounds. For 1/8” thick material, 50 foot rolls are supplied. 1/4”thick material is normally supplied in 100 foot rolls, 24” in diameter. Longer rollsizes are available.

With or without pressure sensitive adhesive backing. Rubber based adhesives(Type A) for general purpose indoor applications, and acrylic based adhesives(Type T) for general purpose outdoor applications, are standard. Type T adhesivesperform better with plastics and other “hard to adhere” materials. Other non standard adhesives are available to meet your requirements. We recommend thatadhesives be tested on your product prior to ordering production quantities.

Cut to length. We can cut strip to any specified length. Tolerances on cut dimensions are the greater of + 0.030” or + 2% of the cut length.

Scored to length. Instead of cutting all the way through, material can be scoredto length. This allows greater ease in removing liner paper for adhesive backedstrip, and storage of material in roll form. To break off, simply bend the materialat the score line, and the part easily breaks to size.

Special non standard sizes, and custom extruded shapes. Call our sales teamto discuss special non standard sizes and shapes.

To order strip with adhesive, simply add the letter “A” or “T” to the part number. For

example, 0632A is 0.500” wide x 0.060” thick laminated with Type A general purpose

indoor adhesive.* with pressure sensitive adhesive backing

0.030 2

0.030 2

0.045 1

0.045 1

0.060 1/4

0.060 1/4

0.060 1/2

0.060 1/2

0.060 3/4

0.060 3/4

0.060 1

0.060 1

0.060 1-1/2

0.060 2

0.060 2

0.060 3

0.093 1/4

0.093 1/4

0.093 1/2

0.093 1/2

0.093 1

0.093 1

0.093 2

0.125 3/8

0.125 3/8

0.125 1/2

0.125 1/2

0.125 3/4

0.125 1

0.125 1

0.125 2

0.171 5/16

0.180 7/16

0.187 1

0.250 19/32

Part No. Thickness Width

0643

0643A*

10003

10003A*

01604

01604A*

0632

0632A*

0630

0630A*

0639

0639A*

09604

0642

0642A*

0648

0633

0633A*

03206

03206A*

0640

0640A*

0644

0635

0635A*

03208

03208A*

04808

0645

0645A*

20008

0634

0637

10012

0638

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F L E X I B L E

F L E X S H E E T

EZ-Grip Flexible Magnetic SheetFor signs, warehouse labelling, movable art, novelties, magneticbusiness cards, magnetic frames and more.

Easily printable, grips tight to any steel surface.

In convenient roll sizes. 24” wide, 50 foot or 100 foot long rolls arestandard - smaller orders are gladly accommodated. Roll sizes up to 200feet long are available on special request. A 100 foot roll of 0.030” thickmaterial weighs about 115 pounds.

With or without pressure sensitive adhesive backing. Standard arerubber based adhesives for general purpose indoor applications, andacrylic based adhesives for general purpose outdoor use. Adhesives shouldbe tested on your product to ensure that they are compatible prior toordering production quantities.

Cut to length. We can cut sheet to any specified length. Tolerances oncut dimensions are the greater of + 0.030” or + 2% of the cut length.

Slit to width. We can slit standard 24” wide sheet to your specifiedwidth. Slitting tolerances are the greater of + 0.060 or + 3% of the slitdimension.

In eleven colors. Red, yellow, orange, blue, green, brown, black, silver,gold, white vinyl laminates, and chrome mylar laminate. Call our salesteam to discuss availability of special colors.

With a protective backcoating. Safemag™ sheeting is backcoated toprovide a safe barrier between the magnetic surface and the surface towhich it is applied, an important new benefit to sign makers in applica-tions such as vehicle signs. It also helps screeners when printed magnetshave to be stacked during the printing process.

Flexible magnetic sheet is sold by the square foot: for example, a 2 footwide by 5 foot long piece is 10 square feet. Our minimum order is 10square feet.

Part No. Size Finish

8100 .010 x 24 Plain

8103 .010 x 24 Matte White

8220 .020 x 24 Plain Brown

8221* .020 x 24 Plain Brown

8222 .020 x 24 Gloss White

8223 .020 x 24 Matte White

8223-C .020 x 24 Assorted Colors

8320 .030 x 24 Plain brown


8322 .030 x 24 Gloss White

8323 .030 x 24 Matte white

8323-C .030 x 24 Assorted Colors

8420 .045 x 24 Plain Brown

8620 .060 x24 Plain Brown


Part No. Size Finish

8322-SM .030 x 24Gloss White

8323-SM .030 x 24Matte White

cut withscissors,knives, ordies.

* with adhesive

STANDARD SHEETING

SAFEMAG SHEETING

Care Tips: If applying to a vehicle, both the magnet and vehicle

surfaces should be clean, dry, and waxed prior to applying. Generous

waxing prevents marring of painted surfaces, especially in hot

climates. It is best to remove the magnetic sheet weekly from painted

surfaces for cleaning and to ensure that moisture is not collecting

between the surfaces. (These precautions are not necessary when

using Safemag sheeting.) We do not recommend applying magnetic

sheet to repainted vehicle surfaces.

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H I -E N E R GY

F L E X I B L E

High Energy Flexible MagnetsEasy to machine and cutWill not shatter or break

As strong as or stronger than hard Ceramic 1 Magnets

Stronger (and more costly) than the regular flexiblemagnet material, this High Energy Flexible material isabout the same strength as the hard Ceramic 1 types(some grades are actually stronger than the Ceramic 1types), but much easier to cut, machine, punch toshapes, and otherwise customize.

Special magnetizing patterns are available to give thebest performance for your application. Please describeyour application to our sales-people so we can helpyou select the best type for the job.

Please note that the thicker the strip, the shorter thelengths that we can supply them in, since the strips getincreasingly difficult to coil as the thickness increases.For example, strips which are 1/4" thick can be supplied in maximum lengths of about 6 feet.

Shown here are a small sampling of the strip sizes anda few of the more popular standard shapes and sizesthat we carry. Please ask if you have other size requirements.

Part No. L W T D

22F 1.000 0.750 0.187 0.187

24F 2.000 0.750 0.250 -

55F6001313 6.000 0.130 0.130 -

Part No. Thickness Width Magnetization

HF0464-M7 0 .060 1/2 multiple poles

HF08482PES 0.125 3/4 2 poles

HF1248 0.187 3/4 1 pole

M10016 0.250 1 2 poles

M30008 0.125 3 multiple poles

M60002 0.030 6 multiple poles

Part No. OD ID T

42F12125 1.125 - 0.125

63F1410187 1.490 1.060 0.187

ROUND MAGNETS

STRIP MAGNETS

RECTANGULAR MAGNETS

L

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C E R A M I C 5D I S C S

Small but Powerful Ceramic 5 Button MagnetsEconomical Magnet PowerMakes sense when counting dollars and cents

Outstanding features of these magnets are theirlow cost, good holding strength and greatvalue.

Ceramic magnets are a dark, “charcoal grey” color,and do not appear metallic.

Some of these magnets can be magnetized with several poles on one face to give greater holdingstrength on that surface. (This gives a lower holdingforce on the opposite surface.) Please talk to oursalespeople about your application, so that we canhelp select the best magnetizing method for the job.

Other sizes available — ask us!

Typical applications include craft projects, badge holders, latches, display

boards, science projects, toys, magnetic jewelry, games, and many others.

Part No. D T

42B3112 0.312 0.125

42B3725 0.375 0.250

42B5018 0.490 0.187

42B5020 0.490 0.200

42B5023 0.490 0.230

42B7515 0.710 0.156

42B7525-M1 0.710 0.200

42B7528 0.710 0.250

42B10015-M1 0.985 0.156

42B10025 1.000 0.250

42B10027 1.000 0.270

F50566 0.870 1.000

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C E R A M I C 5B A R S & B L O C K S

Powerful Ceramic 5Rectangular MagnetsLots of Magnet Power available here!

Outstanding features of these magnets are their low cost, andgood holding strength. These magnets represent some of thebest value magnets anywhere.

Typical applications include holding, latches, science projects, toys,

games, and crafts, as well as more technical applications such as

sensing, actuating, and many others.

BLOCKS

Part No. L W T D

21986 1.875 0.875 0.250 -

21987 1.375 0.750 0.270 -

21988 1.750 0.875 0.387 -

21989 1.875 0.875 0.387 -

21990 1.875 0.875 0.387 0.187

BARS

Part No. L W T

55B872218 0.875 0.227 0.187

55B973120 0.975 0.312 0.200

55B1001350 1.000 0.125 0.500

55B1002539 1.000 0.250 0.390

55B1173523 1.175 0.355 0.235

55B2001350 2.000 0.125 0.500

55B2007512 1.940 0.740 0.125

BARS WITH A CENTER HOLE

Part No. L W T D

55B756216 0.750 0.625 0.165 0.132

55B1007518 1.000 0.750 0.177 0.187

LT

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C E R A M I C 8B L O C K S

Large Blocks Give Lots of Strength. Or we can cutthem to your exact specs.

Ceramic 8 Magnets are about the same strength as the Ceramic 5 types under most normal operating conditions.

They perform better under “dynamic load” conditions(for example in motors, or at high temperatures). Usethese large blocks when you need to project magneticfields a long way, or need a lot of total magnetic field.Also, we can use these blocks to cut magnets to whatever size you need for your application.

Part No. L W T

F83208 3.000 2.000 0.125

F83212 3.000 2.000 0.187

F84416 4.000 4.000 0.250

F86416 6.000 4.000 0.250

F86424 6.000 4.000 0.375

F86432 6.000 4.000 0.500

F86448 6.000 4.000 0.750

F86464 6.000 4.000 1.000

F810332 10.62 3.500 0.500

F810348 10.62 3.500 0.750

F810364 10.62 3.500 1.000

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C E R A M I C 5R I N G S

Like other Ceramic 5 magnets, these ring shapesare economical yet strong!

From a little over 1/2" to over 8-1/2" in diameter. Many other sizes are available from stock.

Like other Ceramic 5 magnets, these ring shapes are economical and yet strong. Ring magnets can be magnetized either conventionally with one pole oneach surface, or with several pie shaped poles on oneor both surfaces to give very high holding forces.

If stock sizes aren’t quite right for your application,we can machine stock rings to fit.

Other sizes available — ask us!

Part No. OD ID T

63B0552220 0.550 0.228 0.200

63BO6929118 0.690 0.290 0.118

63B1150250 1.180 0.500 0.250

63B1253719 1.250 0.375 0.188

63B1554250 1.500 0.540 0.250

63B1785155 1.765 0.855 0.155

63B2180270 2.100 0.800 0.270

63B23710028 2.375 1.000 0.275

63B23710037 2.375 1.000 0.375

F640 2.800 1.203 0.330

F643 3.376 1.280 0.425

63B43177425 4.330 1.770 0.425

F6455 7.500 3.250 0.745

63B8643866 8.660 4.330 0.866

ID

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C E R A M I C 1D I S C S , R I N G S & R E C T A N G L E S

Non-Oriented, can be magnetized in any direction.

Economical magnets available in many different sizes.

When magnetized with multiple poles on one side, can pull almostas strongly as the Ceramic 5 types.

Because they are not “pre-oriented” they can be magnetized in anydirection, unlike most other magnet materials - across a diameter,across any of the three dimensions of a bar magnet, or for thatmatter in any other direction!

DISCS

Part No. D T

42A5015 0.500 0.150

42A5018 0.500 0.187

42A6218 0.625 0.187

42A13028 1.300 0.280

RINGS

Part No. OD ID T

63A500925 0.500 0.093 0.250

63A501812 0.500 0.187 0.125

63A1047925 1.040 0.799 0.250

63A1082113 1.080 0.215 0.315

63A1123925 1.125 0.395 0.250

63A1095025 1.125 0.500 0.250

63A1132250 1.130 0.220 0.500

63A1181112 1.187 0.118 0.125

F405 1.230 0.885 0.431

63A1770375 1.705 0.705 0.375

RECTANGLES

Part No. L W T D

55A705915 0.710 0.595 0.157 -

55A1007518 1.000 0.750 0.177 0.187

55A2007512 1.950 0.750 0.125

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A L N I C O 5H O R S E S H O E

Horseshoe and RoundHorseshoe Magnets

Strong pull through a distance. Use for holding, lifting, sorting, clamping, orretrieving steel parts. Most ofthese magnets have a hole inthe top for easy attachmentto conveyors, racks, andother jigs.

Part No. type height width depth width pull dia.

100-1 C 1.000 1.125 0.312 0.250 2 -

100-2 B 0.750 1.125 0.750 0.250 13 0.187

100-4 B 1.000 1.500 1.000 0.312 20 0.187

100-6 B 1.125 1.750 1.125 0.312 25 0.187

100-8 A 1.812 2.187 0.937 0.500 30 0.187

100-10 A 2.000 2.218 0.937 0.625 32 0.250

100-12 A 2.250 2.625 0.937 0.625 40 0.250

100-16 A 2.500 3.000 0.937 0.750 45 0.250

100-24 B 1.187 2.500 1.875 0.625 60 0.250

Holding forces shown in pounds

Part No A B C D Pull

200-1 0.500 0.375 0.187 0.156 1.5

200-2 0.750 0.500 0.218 0.187 4.0

200-3 1.000 0.625 0.218 0.187 6.5

200-4 1.250 0.750 0.375 0.187 12

200-5 1.500 0.875 0.625 0.250 16

pole apprx. hole

C

B

D

A

TYPE A

hole

TYPE B TYPE C

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A L N I C O 5P O T & S H A L L O W P O T

Pot Magnets

These are Alnico assemblies with a lot of holding power.Both magnetic poles are on one side (the “strong side”).They have a tapped hole on the non magnetic side foreasy attachment.

Part No. 300-1 300-2 300-3 300-4

A 0.688 0.812 1.062 1.375

B 0.625 0.750 1.000 1.187

C 0.125 0.156 0.156 0.187

tapped hole 1/420 1/420 1/420 1/420

pull 5 9 12 20

Shallow Pot Magnets

Similar to the Pot types, but “slimline” versions. These magnets have a through hole forattachment.

Part No. 400-1 400-2 400-3

A 0.750 1.125 1.500

B 0.312 0.344 0.406

C 0.147 0.190 0.190

D 0.220 0.300 0.300

pull 4 6 9

Holding forces are shown in pounds.

C

B

A

CDA

B

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A L N I C O

R O D S & D I S C S

Remember, we have a huge variety ofAlnico magnets in stock. Only a few ofthe most common sizes are shown here.

Alnico 5 rod magnets should have lengthslong in comparison to their diameters inorder to avoid self demagnetization - aratio of 5 to 1 is best. Any lengths can becut to your requirements. Part numbersbeginning with CG have already beenmachined to tolerances of + .001. Partnumbers beginning with RR are “as cast”and tolerances are wider - the greater of +.015 or 2% of the dimension.

Sintered Alnico 8 is more resistant to demagnetization than Alnico 5 material, and can therefore be used in thethin disc shapes shown here without self demagnetization. Like the Alnico 5material, Alnico 8 has excellent temperaturestability and can be used to 1,000 degreesFahrenheit!

Part No A B

M7103 0.187 1.000

CG705-750 0.250 0.750

CG706-1000 0.312 1.000

CG706-1500 0.312 1.500

RR8-625 0.125 0.625

RR16-1000 0.250 1.000

RR17 0.265 6.000

RR24 0.375 8.000

RR32-2500 0.500 2.500

RR64 1.00 8.000

Part No. A B

S8D1606 0.250 0.100

S8D1616 0.250 0.250

S8D2408 0.375 0.125

S8D2409 0.375 0.144

S8D2412 0.375 0.188

S8D2416 0.375 0.250

S8D3206 0.500 0.100

S8D3212 0.500 0.188

S8D3215 0.500 0.240

S8D3232 0.500 0.500

S8D4010 0.625 0.150

S8D4016 0.625 0.250

S8D4810 0.750 0.160

S8D4816 0.750 0.250

S8D6406 1.000 0.100

CAST ALNICO 5 ROUND MAGNETS

SINTERED ALNICO 8 DISC MAGNETS

A

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A L N I C O

R E C T A N G U L A R

Just a few of the huge variety we have instock. Call us if the size you need is notshown here.

Alnico 5 rectangular magnets should havelengths long in comparison to their cross sectional dimensions in order to avoid selfdemagnetization - a ratio of 5 to 1 is best. Anylengths can be cut to your requirements.Tolerances are the greater of +.015 or 2% of thedimension.

ALNICO 5 RECTANGULAR MAGNETS

Part No. A B C

S5SB432 0.062 0.062 0.500

SB8-4 0.125 0.125 4.000

RB832-1000 0.125 0.500 1.000

SB16-1000 0.250 0.250 1.000

SB16-1250 0.250 0.250 1.250

SB16 0.250 0.250 6.000

RB3264 0.500 1.000 6.000

SB32 0.500 0.500 6.000

SB64 1.000 1.000 6.000

SINTERED ALNICO 8 RECTANGULAR MAGNETS

Part No. A B C

S8RB816 0.125 0.250 0.500

S8SB0848 0.125 0.125 0.750

Sintered Alnico 8 bars are more resistant todemagnetization than the Alnico 5 types, andare therefore more stable. Like the Alnico 5material, Alnico 8 has excellent temperaturestability and can be used to 1,000 degreesFahrenheit!

A

C

B M

A

C

BM

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NdFeBD I S C S & R I N G S

DISC MAGNETS

Part No. Grade D T

35DNE0604-NI 35 0.100 0.060

30DNE0606-NI 30 0.100 0.100

35DNE0802 35 0.138 0.040

35DNE0802-NI 35 0.138 0.040

35DNE0905 35 0.138 0.077

35DNE1002 35 0.157 0.040

35DNE1005 35 0.157 0.077

30DNE1606 30 0.250 0.100

28DNE1608 28 0.250 0.125

28DNE1613 28 0.250 0.200

35DNE1616 35 0.250 0.250

35DNE1616-NI 35 0.250 0.250

30DNE1632-NI 30 0.250 0.500

24DNE2016 24 0.312 0.250

24DNE2404 24 0.375 0.060

28DNE2404 28 0.375 0.060

30DNE2404-NI 30 0.375 0.060

24DNE2406 24 0.375 0.100

27DNE2412 27 0.375 0.187

30DNE2412 30 0.375 0.187

27DNE2413 27 0.375 0.200

27DNE2416 27 0.375 0.250

DISC MAGNETS

Part No. Grade D T

30DNE2416-NI 30 0.375 0.250

30DNE3204-NI 30 0.500 0.060

27DNE3208 27 0.500 0.125

27DNE3213 27 0.500 0.200

27DNE3216 27 0.500 0.250

24DNE3224 24 0.500 0.375

27DNE3232 27 0.500 0.500

35DNE4824 35 0.750 0.375

35DNE4824-NI 35 0.750 0.375

35DNE5624 35 0.875 0.375

35DNE5624-NI 35 0.875 0.375

27DNE5664 27 0.875 1.000

30DNE6406-NI 30 1.000 0.100

35DNE6416 35 1.000 0.250

35DNE6416-NI 35 1.000 0.250

28DNE6424 28 1.000 0.375

35DNE6424 35 1.000 0.375

24DNE6432 24 1.000 0.500

27DNE6432 27 1.000 0.500

27DNE6448 27 1.000 0.750

35DNE6448 35 1.000 0.750

35DNE12832 35 2.000 0.500

Power Packed Round Magnets. Amazingstrength in a small size.

The first two digits of the part number represent the grade of the material. Thehigher the grade, the stronger the material.

Shown here are some of the sizes that we carry instock. We actually carry a wider variety in stock,many of which are used for more technical appli-cations. These are available up to 4" in diameter.

Unlike most other materials, Neodymiums will rustin humid environments, and if exposed to suchenvironments should be somehow protected. Thiscan be done by painting, oiling the surfaces, orplating. If you foresee any problems, please ask us.We are able to plate these materials and to apply avariety of other corrosion resistant coatings.

Any size can be machined to your exact specifications.

RING MAGNETS

Part No. OD ID T

24NEG240804 0.375 0.125 0.060

OD ID

T

M

D

T

M

Note: Part Numbersending with ‘NI’ arenickel plated.

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NdFeBR E C T A N G U L A R

The Most Powerful Magnets Available Today! Theserectangular Neodymium magnets pack a tremendouspunch.

The first two digits of the part number represent the grade of the material. The higher thegrade, the stronger the material.

Shown here are a few of the sizes that we carry in stock.We actually have a very large variety of sizes, and grades upto 48, including many temperature compensated grades.Unlike most other materials, Neodymiums will rust inhumid environments, and if exposed to such environmentsshould be somehow protected. This can be done by painting, oiling the surfaces or plating. If you foresee any problems, please ask us. We are able to plate these materialsand to apply a variety of other corrosion resistant coatings.

We can machine almost any size and shape to your specifications if these don’t fit.

Part No. L W T

35NE111111 0.175 0.175 0.175

35NE501212 0.195 0.790 0.195

30NE161606 0.250 0.250 0.100

35NE209620 0.305 1.500 0.305

35NE642424 0.375 1.000 0.375

30NE323232 0.500 0.500 0.500

35NE646432 1.000 1.000 0.500

35NE2812832 2.000 2.000 0.500

35NE2812864 2.000 2.000 1.000

W

L

T

M

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SmCoD I S C S

Part No. D T

18DRE0606 0.100 0.100

18DRE0707 0.118 0.118

18DRE0803 0.120 0.040

18DRE0903 0.138 0.050

18DRE1004 0.156 0.060

18DRE1204 0.187 0.060

18DRE1303 0.200 0.046

18DRE1304 0.200 0.060

18DRE1604 0.250 0.060

18DRE1606 0.250 0.100

18DRE1608 0.250 0.125

18DRE1613 0.250 0.200

18DRE1616 0.250 0.250

Powerful, temperature stable, and won’t rust.

Extremely powerful, all Rare Earth magnetsshould be handled carefully to avoid injury.Samarium Cobalts are very brittle, and will chipand shatter easily if allowed to drop or snaptogether. Use these magnets when space is alimiting factor, high magnetic strength isrequired, or where temperatures are expectedto exceed about 300 degrees Fahrenheit.

The first two digits of the PartNumber represent the “grade” of the material.The higher the grade, the higher the energyavailable from the magnet. We have availableSamarium grades up to 32 in block shapes,though these are used mainly for more techni-cal applications and are therefore not shownhere. Please call us for more information onthese.

Our rectangular Samarium Cobalt Rare EarthMagnets are not shown in this catalog. Manyother standard sizes are available. Please call uswith your requirements!

Please remember, we have a full machineshop and are able to custom machine anymagnet material to virtually any shape,size, and tolerance.

Part No. D T

18DRE2008 0.312 0.125

18DRE2404 0.375 0.060

18DRE2408 0.375 0.125

18DRE2416 0.375 0.250

18DRE2424 0.375 0.375

18DRE3204 0.500 0.060

18DRE3208 0.500 0.125

18DRE3212 0.500 0.187

18DRE3216 0.500 0.250

18DRE4008 0.625 0.125

18DRE4816 0.750 0.250

18DRE4824 0.750 0.375

18DRE12832 2.000 0.500

D

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A LO O K AT D I F F E R E N T

M A G N E T I Z I N G P A T T E R N S

Different Magnetizing Patterns Give Different Results

Except for the regular Flexible and Ceramic 1 materials, all magnet materialsare “pre-oriented” and can only be magnetized in a particular direction.

Standard (or “conventional”) magnetization is straight through the orientation direction,and produces one North pole and one South pole. The Rare Earth magnets are extremelydifficult to magnetize in non-standard ways. However, the Flexible and Ceramic typescan be magnetized in many non-standard ways to give special results.

Diametrical Radial Parallel to lengeth

Radial through arc segment

Parallel tothickness

Multiple pole

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M A G N E T T E R M I N O L GY

& K E Y C H A R A C T E R I S T I C S

Magnet “strength” (symbol B) is measured inGauss (symbol G). The maximum magnetic fluxdensity available from a magnet is given thespecial symbol Br. This is rarely possible, andvery difficult, to achieve in practical applications.The flux density actually achieved in practice can

Br Hc BHmax ** Max Oper RelativeNeodymium (Gauss) (Oersted) (MGOe) Temp °F/°C Cost by Wt24 9800 7500 24 176/80 6027 10500 10000 26 300/149 7027H 10600 10100 27 300/149 8028 10800 10100 28 300/149 7028UH 10900 10400 28 380/193 8030 11000 10600 30 300/149 7030H 11200 10700 30 300/149 8030SH 11200 10700 30 350/177 9032 11600 10800 32 300/149 7032SH 11500 11000 32 350/177 9033SH 11700 11100 33 350/177 9035 12300 11300 35 300/149 7035H 12100 11600 35 300/149 8037 12400 11800 37 300/149 8039H 12700 12200 39 300/149 9040 12900 12400 40 260/127 9042H 13300 12800 42 240/116 10045 13500 11700 45 250/121 90

Other Neodymium

Bonded Nd (B10) 6800 5780 10.0 300/149 40

Samarium Cobalt18 8600 7200 18 500/260 10022 9500 8600 22 662/350 11026 10500 9200 26 662/350 12026HS 10700 9800 27 716/380 13028 10700 10300 28 716/380 13032H 11500 10600 32 662/350 140

Alnico

5 Cast 12500 640 5.50 1004/540 158 Cast 8300 1650 5.50 1004/540 152 Sintered 6600 550 1.40 1004/540 85 Sintered 10800 600 3.75 1004/540 108 Sintered 7000 1900 5.00 1004/540 10

Ceramic

1 2200 1900 1.05 896/480 25 3950 2400 3.60 896/480 38 3900 3200 3.50 896/480 3

Flexible

Regular Flex 1600 1370 0.60 212/100 1HF1 2200 2000 1.10 212/100 2HF2 2450 2200 1.40 212/100 2.5HF3 2650 2200 1.60 212/100 3

** These maximum operating

temperatures apply under certain

conditions and are for reference

only.

If your application will approach

these temperatures, please consult

with our engineers.

MAGNET MATERIAL CHARACTERISTICS

be changed by creating a “magnetic circuit”which might involve one or more magnetsand some steel components. You can measurethe flux density emanating from a magnetusing a Gaussmeter.

Resistance to demagnetization (symbol H) is measured in Oersteds(symbol Oe).

Maximum energy available from amagnet (symbol BHmax) is measuredin Gauss Oersteds (in practice, millions of Gauss Oersteds, thereforethe symbol MGOe, M for million)

The table summarizes some of thekey characteristics of our magnetmaterials. There are actually manyother important characteristics, butthese are normally important in moretechnical applications. Please consultour engineering department for moreinformation.

At the office, warehouse, shop, and home, these magnetic deviceshelp hang, organize, decorate, indicate, hold, transfer, and clean.

Elegant solutions to a variety of holding, hanging, transfering, anddisplay problems, magnetic devices give years of quiet, active, andenergy free service. A selection of our small round electromagnetsis also shown in this section. For more information on other electromagnets available, please see our “Magnets for MaterialHandling” catalog.

Magnetic Picture Hangers & Coat Hooks 2-2

Magnetic Clips and Holders 2-3

Magnetic Map Holders and Tacks 2-4

Pocket Magnets 2-5

Magnetic Labeling Systems 2-6

Rectangular Holding Magnets 2-7

Parts Lifting Magnets 2-9

Round Holding Magnets 2-10

Magnetic Sweepers 2-11

Electromagnets 2-12

Magnetic Catches 2-13

SECTION 2 : MAGNETS FOR THE OFFICE AND SHOP

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P I C T U R E H A N G E R S &C O A T H O O K S

Magnetic Picture Hangers

A quick solution for decorating metal walls.

Designed for hanging pictures, certificates, maps,and calenders to steel walls, partitions, filing cabinets or lockers. No need to drill holes, thesepermanently magnetized rubber backed picturehangers protect the finish on your walls. No preparation needed, simply place the hanger onany steel surface and hang your picture.

Magnetic Coat Hooks

Coat hooks for those steel walls or filing cab-inets.

Again, no preparation or tools needed - simply place the magnetic hook on a steel surfaceand you’re ready to go.

PH-5 2” x 6”5 lbs capacity




HB-5 4.25” x 4”5 lbs capacity


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C L I P S &H O L D E R S

Magnaclip

Part No. #10

This neat, satin finished magnetic clip attaches to anyflat steel surface to hold notes, schedules, records,charts, etc. 2-3/8" high x 1- 7/8" wide.

Heavy Duty Magnetic Bulldog Clip

Hang Them Where They'll be Seen, Not Forgotten!

Part No. PC83

This clip holds loads of paperwork in warehouses, offices,shops and shipping areas. Move orders, process sheets,job cards, and other paperwork easily. Powerfully attachesto any steel surface.

The GrabbitHolds paper clips, pins, tacks.

Neat and Easy to reach.

Part No. GRABBIT

These decorative little wonders will help keep your deskorganized. No more reaching into a box or drawer. The4" diameter x 1-3/8" high magnetic saucer holds allmanner of clips, pins, tacks, nails, and screws within easyreach. Available in bright green, blue, orange, and red,these plastic encased grabbers look at home on your deskand on the shop floor.

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M A P H O L D E R S

& T A C K S

Low Cost Powerful Magnets. Hold multiplemaps, charts, blueprints, or other heavy sheetsto metal walls. Any of the big ones will stayup!

The answer to blueprint or other large chartholding problems. No more adhesive tapes orother halfway solutions to hanging the bigones on steel walls.

Encased in a clean, decorative, plastic shell, will notmar or damage charts or walls.

Your logo or sales message can be imprinted onthese magnets. Use as giveaways that will be usedday in and day out, not tossed in a drawer and forgotten. They’ll be in sight of your customer allthe time.

Part Number MH1001

Size: 2" x 1" x 1/2"Colors: white is standard, other colors on request.

If lighter duty is what you need, use thismemo holder magnet.

Holds up memos and notes no problem. Ideal as aninexpensive giveaway when imprinted with yourlogo.

Part Number MH2001

Size: 1-1/4" diameter x 1/4" highColors: white is standard, other colors on request.

SALES &

MFG. CO.

MH1001 MH2001

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P O C K E T

M A G N E T S

Model HEX-1121-3/4" long by 9/16" diameterin a hexagonal plastic case, similar to the PM-11 except in abigger diameter. Can beimprinted with your logo orsales message.

Model HEX9-208A more powerful version of theHEX-112, 11/16" diameter by2-1/2 long.

Flexible Magnetic Pick Up ToolModel TS4-18F18" long x 5/16" in diameter,this will help you retrieve that lostscrew or other ferrous part whichfalls in a hard to reach place. Withthe stiffening rod in place, itbecomes rigid so you can pointand pick. With the stiffening rodremoved, it be-comes flexible, soyou can reach around corners.

Model PM-102-1/2" long metallic magnetictube, strongly magnetized atthe tip, and provided with a keychain for easy storage.

Model 385Pencil type magnet witha pocket clip.

Telescoping MagnetModel 4TChrome plated, this handylittle magnetic tool telescopes up to a 17" lengthfrom just 5-1/4"

Model PM-11Similar to the PM-10, exceptin a hexagonal black plasticcasing which can be imprintedwith your logo or sales message.

Magnetic Retrievers and Testers

Ideal for testing for ferrous metals, picking upsmall parts, holding screws, retrieving fallenparts, and to use as giveaways that won’t beforgotten.

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M A G N E T I C L A B E L I N G

S Y S T E M S

Magnetic Labeling Systems

All Magnetic Identification Holders

Simply slip in our specially die cut cards into these 100% magneticholders and you have an instant label that you can move aroundwith your product. Can be bought in roll form (cuts easily withscissors or paper cutter), or cut to length.

Re-use the magnet when the product label is no longer required bysimply removing the obsolete card and inserting a new card.

Part No. A B C

03011 0.485 0.370 0.165

06211 0.975 0.840 0.125

09411 1.850 1.625 0.130

Part No. Width Length

30-104 0.750” 1.250”

30-112 0.750” 1.750“

39-202 1.000” 2.125“

39-308 1.000” 3.500“

39-400 1.000” 4.000”

39-500 1.000” 5.000”

Flex-O-Matic Label Holders

Great for warehouses!

Flat magnetic holders are a must in any warehouse. Adhere yourinventory labels to the non magnetic side of the label holder, andyou have a magnetic label that can be moved around with the product. No more messy tapes on shelving.

Excellent for any application where labelling information requiresfrequent and instant change, such as in drug stores, pharmacies,labs, warehouses, sample rooms and others.

Standard thickness of 1/16" gives plenty of magnetic power.Standard packaging is 1,000 pieces per box. If your label is a differ-ent size, please contact us - we can quickly make almost any nonstandard label holder.

PRICE TAG

5-16470F

5-16470F

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A

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R E C TA N G U L A R H O L D I N G

M A G N E T S

Rectangular Holding Magnets

Powerful holding magnets with upto 225 pounds of pull.

TS-3, 35 Pounds Pulling PowerFrom a 4 ounce powerhouse

Very economical, this magnet gives 35 poundspull when in contact with a flat, machined steelplate 1/2" thick. Cadmium plated to resist rust,with two 3/16" diameter holes for easy fasten-ing.

Size: 2-3/4" long x 1-3/16" wide x 1/2" high.

TS-5, 225 Pounds PullThe “Fishing” Magnet

Use this to fish around for lost objects in the bottomof the tank. 225 pounds pull when tested on a flat,machined steel plate, 1/2" thick. Painted to resistrust, includes an eyebolt to attach to a rope or chain.

Size: 4-3/4" long x 1-7/8" wide x 2-1/2" high.

MO-81, 45 Pounds Pull

Provided with two 3/16" diameter holes for fas-tening, this 2" x 1" x 5/8" magnet delivers 45pounds of holding force.

TS-470 Pound Power MagnetWeighs just one pound!

Just 1-3/4” square by 1-1/2” high, this magnetdelivers pull through it’s two 1/4’ high poleshoes. Housed in an aluminum block with a 1/4-20 tapped hole 1/2” deep for easy fastening.

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R E C TA N G U L A R H O L D I N G

M A G N E T S

Part No. A B C dia. pull

MO-70SV 0.812 1.000 0.312 0.187 8 lb

MO-71SV 0.812 1.000 0.312 0.080* 8 lbs

MO-70S 0.812 1.000 0.312 0.187 5 lbs

MO-70S2V 0.812 1.000 0.546 0.187 16 lbs

MO-70V 0.875 1.000 0.250 O.125 7 lbs

MO-70 0.875 1.000 0.250 0.125 5 lbs

MO-70-1 0.875 1.000 0.250 0.187 5 lbs

MO-70-2 0.875 1.000 0.250 - 5 lbs

Inexpensive Rectangular Holding MagnetsStrong Pull at Low Cost

Constructed of a magnet embedded in a steelchannel, or a magnet sandwiched between twosteel plates, these magnets provide strong pullfor their sizes and are an excellent value for yourholding magnet dollar.

Most of these come with mounting holes for attachment to your product.

Remember that pull listed here is tested on a flat,machined steel plate, 1/2" thick. If the surface towhich the magnet is holding is rough, rusty, or painted, the holding force may be substantiallyreduced. For critical applications build in a safety factor of two to three.

Typical applications: latching or holding magnets for doors, cabinets, fixtures, and small tools.

hole

* dimples on steel plates

C

AMO-70SVMO-71SVMO-70S

MO-70S2V

MO-70VMO-70MO-70-1MO-70-2

MO80E6 lbs pull

B

C

A

B

C

A

B

0.312”

2.625”

0.937”

2”

hole dia.0.160”

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PA R T S L I F T I N G

M A G N E T S

Pick Up and Transfer Small Parts Using MagnetPower. Magnets that pick up and drop off.

Pick up small parts from bins, transfer them toother storage locations, pull the handle to dropthem off!

Standards in the industry, these magnets have been proving themselves for decades. Make light work of smallparts lifting and moving. Prevents injuries to hands.

Models 71 and 72 good for handling small parts, such asnuts, bolts, nails, screws, etc. Other models suited to lifting heavier and larger items, such as plates, large bolts,etc. Use the chart to determine the most appropriate sizefor your application.

Part No. Weight Size Lift(lbs)

71 2.8 lbs 4.750 x 1.625x 9.250 1 to 2

72 4.5 lbs 4.750 x 3.125 x 9.250 3 to 5

74 8.0 lbs 4.750 x 6.250 x 9.250 up to 8

76 11.0 lbs 4.750 x 8.500 x 9.750 up to 10

78 15.0 lbs 4.750 x 11.25 x 9.750 up tp 13

RELEASE PARTS BY PULLING ‘T’ HANDLE.

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R O U N D H O L D I N G

M A G N E T S

Part No. pull (lbs) Diameter Hole Size Thickness

RB-20 5 1.200 0.125 0.187

RB-30 9 1.437 0.187 0.275

RB-50 25 2.050 0.187 0.315

RB-70 60 2.625 0.250 0.375

RB-80 80 3.187 0.281 0.440

RB-90 130 3.880 0.375 0.515

RB-100 190 4.910 0.500 0.530

Round Holding MagnetsMagnetic Cups hold up to 190 pounds!

Constructed of a steel cup with a ring magnetassembled inside, these round magnetic cupshave a mounting hole provided for attachment.

The magnet inside the cup has an inside diameter which is larger than the diameter of the holein the cup, so there’s room for a screw head.

Like all other pull ratings, these are tested on a 1/2"thick, flat, machined steel plate. Use appropriate safetyfactors. For any application that is critical, we recommend a safety factor of two to three.

Typical applications: Lifting, holding, or positioningindicators, lamps, inspection equipment, or antennamounts. Can be used on machinery, vehicles, or othermetal surfaces.

steel cup

hole forattachment

magnet

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M A G N E T I C

S W E E P E R S

Magnetic Hand SweepersA problem sweeping up nails, tacks, pins,or other ferrous materials? Clean up withmagnetic sweepers.

Light duty maneuverabilitySturdy welded constructionRelease featureQuick payback

Easy does it with these light duty sweepers.Easy to use with one hand, their large 6"diameter x 1/4" wide wheels roll easily overuneven surfaces. Great for tramp metal pickupfrom roofs, construction sites, aisles, or anyarea where maneuverability and light weightare important considerations.

The MS series incorporate a release feature:just pull the “T” handle at the top to releasetramp metal picked up by the magnet. The SMseries feature an adjustable sweeping height.

For a more complete listing of magneticsweepers and other cleaning and separatingmagnets, please see our “Magnets forMaterial Handling” catalog.

Light weight and compactness make thislittle magnetic broom the perfect companion for one of our larger sweepers. With it, you'll be able to get atall those hard to clean areas under benches and bins, in narrow aisles, andmake a light job of tank cleaning. Fitsstandard broom handle (not included).

Part No. width width Weight

MS24 24“ 30” 18lbs

MS36 36” 42” 21lbs

SM1-24 24” 31” 16lbs

SM1-36 36” 42” 19lbs

Part No. width width Weight

BM1-14 14” 14” 4.5lbs

Sweeping Overall

Sweeping Overall

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E L E C T R O M A G N E T S

Small Round ElectromagnetsWith up to 600 pounds pullPower packed electromagnets operateon 12 Volts DC

Where permanent magnets don’t havethe pull you need, or when a load mustbe picked up and released many times,perhaps automatically, an electro-magnet will do the trick.

For a complete list of our electromagnets,please see our “Magnets for MaterialHandling” catalog.

These electromagnets should only be usedwhere the entire surface is in complete contact with the surface of the load. Loadsurface should be smooth and flat. Holdingvalues have already been de-rated by 50%for safety. For critical applications, you mayneed to apply a further safety factor.

Rectifiers are necessary if used with ACpower sources, or they may be operatedwith 12 Volt batteries - see the wattage ratings for each magnet to determine thesize of the battery required.

The size and location of the mounting holes shown are standard, but they can beprovided with special hole patterns ifrequired. Leads are normally located on thesides of the magnets. Again, these can belocated elsewhere for special applications.

Part No. Diameter Height Thread Depth Of Leads Watts Pull Weight

A B C D E (lbs)

EM-R75 0.750 1.250 10-32 0.375 0.187 1.5 12 1.7 oz

EM-R1 1.000 1.250 10-32 0.375 0.187 4.5 20 2.6 oz

EM-R1A 1.000 0.718 10-32 0.375 0.125* 1 14 1.9 oz

EM-R125 1.250 1.250 1/4-20 0.375 0.250 4.5 40 4.2 oz

EM-R2 2.000 1.625 1/4-20 0.500 0.250 5.2 200 1 lb

EM-R3 3.000 2.000 2-1/4-20 0.500 0.625 12 450 3.25 lbs

EM-R4 4.000 3.250 3/8-16 0.625 0.375* 15 750 9 lbs

EM-R6B 6.000 1.250 2-1/4-20 0.625 0.875* 7.8 600 8 lbs

Thread Location

C

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AB

E*

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C Y L I N D R I C A L

C A T C H E S

2 lbs 0.375 0.315 0.413 0.354

3 lbs 0.375 0.315 0.610 0.543

4 lbs 0.375 0.315 0.590 0.543

Catch Strike Plate

Part No. Color Pull A B C D Part No.

17102 Black Type W: 25412

17103 Brown Type Z: 25312

17110 White Type W: 25412

17112 Brown Type Z: 25312

17120 White

17121 Black

17122 Brown

17140 White

17141 Black 9 lbs 0.550 0.433 0.600 0.550

17142 Brown

17160 White

17161 Black 13 lbs 0.625 0.532 0.720 0.670 Type W: 25420

17162 Brown

Type W: 25412

Type Z: 25312

Type W: 55410

Type Z: 55310

Easy to install, designed for wood furniture.

Cylinder type magnetic catches encased in a ribbed plastic case. To install, drill a hole slightly smaller than thediameter (dimension A) of the catch, and simply tap the catchinto it. The exact diameter of the hole required will varyaccording to the hardness of the material the catch is pressedinto - the softer the material, the smaller the hole.

Strike plates for these catches are sold separately. Type W StrikePlates have a countersunk hole for attachment, type Z StrikePlates come with a nail already attached, to that they just needto be tapped into place. Standard Strike Plates are zinc finished.Also available with a bronzed finish.

See page 2-17 for Strike Plates.

C

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S O L I D C L I P

C A T C H E S

Easy Installation, designed for metal and plastic furniture.

These catches can be used on furniture manufacturedfrom sheet metal or plastic or laminate sheeting. Theycan be installed into very narrow door jambs.

Installation is easy and requires no screws. The catches clipinto an opening which is height "L" shown in the chartsbelow. (Adjustments to this dimension may be required forsoft woods or to take account of burrs on the openingedges.) Great for mass produced items which require fastassembly.

All Strike Plates sold seperately. See page 2-17 for StrikePlates.

Solid Clip Series

Made of an impact resistant polystyrene body with aninternal spring to absorb shocks and to push the magneticpoles forward. Standard color is white, (Part Number21305 is also available in black).

Catch Strike Plate

Part No. Pull A B C E F M L Part No.

21103 4 lbs 0.94 0.37 0.47 0.59 0.43 0.31 0.81 25602

21305 8 lbs 1.55 0.39 0.47 0.85 0.43 0.31 1.38 25602

21510 20 lbs 2.52 0.39 0.47 1.69 0.52 0.45 2.24 25610

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S P R I N G C L I P

C A T C H E S

Catch Strike Plate

Part No. Pull A B C E F M L Part No.

21703 4 lbs 1.00 0.35 0.47 0.51 0.43 0.31 0.51 25602

21707 8 lbs 1.55 0.39 0.47 0.83 0.43 0.31 1.33 25602

21715 30 lbs 2.13 0.50 0.63 1.93 0.57 0.42 2.05 25610

Spring Clip Series

The flexible spring clips form an integral part of the catch design.The Spring Clip series allows greater variability in the size of theopening made for the catch, with the clips taking up the slack.Standard color is white, (Part Number 21715 is black).

Easy Installation, designed for metal and plastic furniture.

These catches can be used on furniture manufacturedfrom sheet metal or plastic or laminate sheeting. Theycan be installed into very narrow door jambs.

Installation is easy and requires no screws. The catches clipinto an opening which is height "L" shown in the chartsbelow. (Adjustments to this dimension may be required forsoft woods or to take account of burrs on the openingedges.) Great for mass produced items which require fastassembly.

All Strike Plates sold seperately. See page 2-17 for StrikePlates.

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E C O N O M Y

C A T C H E S

Lots of holding power, great values.

All of these catches have floating magneticpoles for take up of any play in assembly.Simple designs, easy attachment, and strongpull make these magnetic catches value buys.

Install using 2 screws through the slotted holesin the catches. The Heavy Duty series can beused on large cupboard doors.

Strike plates are bronze or zinc plated.

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Catch Strike Plate

Part No. Color Pull A B C D E Part No.

11310 White 8 lbs 1.89 0.75 0.59 1.5 0.85 25602

11312 Brown 8 lbs 1.89 0.75 0.59 1.5 0.85 25602

Heavy Duty Type

Catch Strike Plate

Part No. Color Pull A B C E F Part No.

11241 White 24 lbs 2.91 0.69 0.55 2.52 1.69 25610

11242 Brown 24 lbs 2.91 0.69 0.55 2.52 1.69 25610

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S T R I K E P L AT E S

F O R C A T C H E S

Strike Plates Made to Measure for Our Magnetic Catches

Engineered for ease of installation and to get the maximumpull out of the magnet.

Type Z strike plates come with an attached nail - just tap the plate intothe jamb. Other strike plates require either nails or screws for installa-tion.

Part No. Type Finish A B C

25412 W Bronze or Zinc 0.472 0.098 0.098

55410 W Zinc 0.590 0.118 0.126

25420 W Bronze or Zinc 0.787 0.157 0.126

25312 Z Bronze or Zinc 0.472 0.098 0.453

55310 Z Bronze or Zinc 0.590 0.118 0.453

Part No. Type Finish A B C D

25602 C Bronze or Zinc 1.614 1.102 0.787 0.078

25610 C Bronze or Zinc 2.598 2.126 0.472 0.078

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TYPE Z

TYPE W

TYPE C

All holes are counter sunk.

All holes are counter sunk.

strike plateswivels on nail

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Gaussmeter to Measure Magnets 3-2

Magnetometers, Magnet Viewers, Pole Finders 3-3

Handbook for the “Technical Layperson” 3-4

This section features a few useful accessories for the magnet user. Theseinclude a Gaussmeter for measuring the strength of magnetic fields, aMagnetometer for measuring the relative strength of magnets, a uniqueMagneview film to see magnetizing patterns, and a book useful for thetechnically oriented layperson who wants to learn more about magnetism.

Magnets never cease to amaze. A basic and mysterious force of nature,without which modern life as we know it would not be possible.

SECTION 3 : MEASURING, LEARNING AND FUN WITH MAGNETS

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M A G N E T M E A S U R E M E N T

G A U S M E T E R

Micropower Gaussmeter, Model 410-SCSophisticated device now more affordable

Use this handy and easy to use Gaussmeter to help youunderstand, design, and test magnets and magnetic circuits.

Useful for engineers, inventors, and quality controldepartments, the GM-1 is completely portable and comeswith a soft case to carry the Gaussmeter and two Probes.

The model 410 is a hand held gaussmeter designed for accurate magnetic field measurements from 0.1 Gauss to 20 Kilogauss.Most operating functions can be selected via the front panel keypad with one or two keystrokes. The 410 displays in gauss orTesla, AC or DC magnetic field values with a 100mG resolutionon the 200 G range.

Operating Functions

Max. Hold - The largest field magnitude measured since the lastreset is displayed.

Filter - When the field being measured is noisy, the filter function will average readings to produce a more stable display.

Alarm - An audible alarm is sounded and the display indicator flashes when the measured field is higher than the keypadentered alarm point.

Zero Probe - Used to eliminate probe offsets and small externalfields.

Relative Reading - When activated, measurements are referencedto the keypad entered reading.

Autoranging - Automatically selects the appropriate range.

Memory Hold - On power down, the 410 stores in non volatile memory, the complete configuration of the instrument, including the calibration number and probe offset, making itunnecessary in most cases to go through a set up procedure onpower up.

RangeAC

Gauss/

Tesla

DCRelative

Filter

Escape

Power

Off

Power

OnCal No.

Max

ResetMax

Hold

Zero

Probe

Alarm

On/Off

Alarm

PointEnter

78

9

45

6

12

3

0.

+/-

20 KG RANGEFILTER

DC

kG

LakeShore

410 Gaussmeter

Ordering Information

Gaussmeter Part Number 410-SC (includes batteries, softcase, and extension cable for use with probes).

Two standard probes are available: an axial probe (PartNumber MSA-410), which measures fields parallel to the axisof the probe, and a transverse probe (Part Number MST-410), which measures fields perpendicular to the axis of theprobe.

A specially designed hard case with foam padding is also available. Part Number HC-410

Display: LCD, 3-1/2 digits.Resolution: 100mG (200 G range)DC Accuracy: 2% of reading +0.1% full scale at 25 degrees Centigrade.AC Accuracy: +5% of reading.Frequency Response: 20Hz to 10Khz.Ranges: +200 G, +2 KG, +20 KG.Operating Temperature Range: 0 to 50 degrees Centigrade.Instrument Temperature Coefficient: 0.05% of reading per degree Centigrade.Instrument and Probe Temperature Coefficient: 0.1% of reading per degree Centigrade.Weight: 1 lb.Size: 7.6” x 3.9” x 1.7”Power: 4 “AA” batteries (included). Battery life greater than 160 hours.

Model 410 Gaussmeter

Specifications

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V I E W E R S

Pocket magnetometers allow you to check magnets fast and inexpensively. They are useful in inspection, engineering, laboratory and tool room.

Check for residual magnetism, polarity (a positive deflection indicates a North pole), and relative strength. Use as a “go, no-go” test for magnets and magnetic devices. Particularly useful when large numbers of magnets must be tested.

Models available:

#100 - with a -100 to +100 scale.#50 - with a -50 to +50 scale.

Size: 2-1/2” diameter x 1-1/4 high. Weighs 3 ozs.

Magneview Paper

This unique film allows you to see the magnetization pattern on your magnets. Poles are seen as dark areas bounded by light lines.Use to reveal inconsistent magnetization, check for magnetization patters.

Color: GreenThickness: 0.006”

Part no. size

MR1-G 4” X 4”

MR1-G09 9” X 9”

MR1-G12 12” X 12”

MR1-G1836 18” X 36”

Magnetic Viewer

The B-1022 Magnetic Viewer provides a fast, clean way to view magnetization patterns, more sensitively than the Magneview Paper. You can view recorded signals for head alignment, track placement, and pulse definition on magnetic tape not possible with the MagneviewPaper, as well as patterns created by permanent magnets. Resolution is200 digital B.P.I.

Part Number B-1022

FIELD PARALLEL WITH CL0 10

10

20

20

+

Pocket Magnetometers

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B O O K

This 385 page volume, revised in 1986, is the result of alifetime of study of the permanent magnet.

The history of the magnet, its development, the compar-ison of different magnetic materials, sources of magnetsupply, applications of permanent magnets in every con-ceivable use from toys to the latest medical devices.

For the practicing engineer:Measurement and Testing, Exact Design Methods, Circuit Effects,Mechanical Considerations, Typical Circuits and Applications ofMagnets.

For Inventors, a basic source book on costs, suppliers,

and types of permanent magnets.

For scientists, teachers and students, a definitive study. Theauthor - a teacher and practicing engineer- analyzes the world-wide uses of magnets industry by industry, practical applicationsproduct by product, pointing out that there are over a billionmagnets in use - in telephones microphones, TV controls,motors, solenoids, recording tape, switches, parts sorters, thermostats, cardiac pumps, thermal measuring devices andhundreds of other vital products of our age.

The text is straightforward, and easily understood by anyonewith a general technical background, but no specific back-ground in magnets, metallurgy or electricity.

An invaluable reference work, the Permanent Magnet Design andApplication Handbook contains a complete glossary of terms, a fullbibliography, a table of magnetic properties of materials, anInternational Index of Permanent Magnetic Materials andReplacement Guide, and numerous charts and tables on otheraspects of permanent magnet technology.

The book is profusely illustrated with diagrams, charts, and pho-tographs. The author, Lester R. Moskowitz, served as president ofthe Society of Magnetic Engineers, as Dean of Technology atSpring Garden College in Philadelphia and as executive director ofthe Permanent Magnet Users Association. This valuable referencework can save you hundreds of dollars in design time!

Order by Part Number : BOOK

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CONVERT SEPARATE

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ELEVATE CONTROL

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