Heli-Coil® Reference Guide #1

Why use Heli-Coil?

Minimize Space & Weight• Heli-Coil Wire Inserts allow the use

of smaller bosses• Allow repairs in areas where no

provision has been made for an insert

Heli-Coil Inserts Are Utilized In a Wide Variety of Original Equipment and Repair Applications

Corrosion Resistance• Our standard 304 Stainless Steel material is inherently corrosion

resistant• Alternate materials for specialized applications including Inconel

X-750, Phosphor Bronze, Gall-Resist Material, And Titanium

Design Flexibility• All Heli-Coil Wire Inserts are

available in 5 standard lengths• Inserts may be altered to fit

specialized applications by cutting or trimming coils

Inserts are available ...• In thread sizes up to 1-1/2 Inch and

M39 Metric• In a variety of pitch combinations• To accommodate the needs of today’s

Military, Aerospace, Automotive and Commercial Markets

Free Running and Screw Lock Versions available to address customer requirements• Free-Running Inserts provide hard, reusable threads with unlimited

cycle life• Screw-Lock Inserts provide prevailing torque on the screw or bolt• Use in vibration or adjustment applications

Inserts and Tooling comply with the following StandardsNASM122076 thru NASM122275 Insert, corrosion resistant Helical Coil Coarse Thread (Inch Series)NASM124651 thru NASM124850 Insert, corrosion resistant Helical Coil Fine Thread (Inch Series)NASM21209 Insert, Screw Thread, Self Locking (Inch Series)NASM33537 Insert, Standard Dimensions, Assembly (Inch Series)

NASM8846 Insert, Screw Thread, Helical Coil (Inch Series)MA1565 Insert, Screw Thread, Helical Coil (Metric Series)MA1567 Insert, Screw Thread, Helical Coil, Standard Dimensions, Assembly (Metric Series)MA3279, 3280, 3281 Insert, Screw Thread, Helical Coil, Free Running (Metric Series)MA3329, 3330, 3331 Insert, Screw thread, Helical Coil, Screw-Locking (Metric Series)AS59158 Tools for inserting and extracting Helical Coil InsertsNAS1130 Inserts, Screw Thread, Helical Coil, Free Running and Screw-Locking (Inch Series)

NAS0276 Inserts, Screw Thread, Helical Coil, Free Running and Screw-Locking (Metric Series)FED-STD-H28 Screw Thread Standards for Federal ServicesAS3094A; AS3094 thru AS3097AS1229B; AS3080 thru AS3083 Special Locking Torque InsertsASME B18.29.1 Insert, Screw Thread, Helical Coil (Inch Series)ASME B18.29.2M-2005 Helical Coil Screw Thread Inserts, Free Run-ning and Screw Locking (Metric Series) AGS3600-3699 Insert, Screw Thread, Screw-Locking, Helical Coil, Cadmium Plated (Inch Series)AGS4677 Series Insert, Screw Thread, Screw-Locking, Helical Coil, Cadmium Plated (Metric Series)AS6733 Inserts, Wire Thread, Unplated (UNF)AS6734 Inserts, Wire Thread, Unplated (UNC)AS8455 Inserts, Wire Thread, Cadmium Plated (UNF)AS8456 Inserts, Wire Thread, Cadmium Plated (UNC)

304 Stainless Steel» Standard, general purpose material» Ideal for original equipment applications, repair, and overhaul» Stocked in most sizes

Titanium» Superior strength-to-weight ratio» Corrosion resistant» Excellent low temperature stability

Phosphor Bronze» Ideal for salt water applications» Non-magnetic» Excellent electrical conductivity

Nitronic 60®

» Superb gall resistance» Compatible with stainless steel screws» Ideal for use in vacuum environments» Requires no additional coatings or plating» Particle free & Non-magnetic

Inconel X-750» Used in areas exposed to high temperatures» Typical uses: gas turbine engines, nuclear applications, well drilling» Non-magnetic

Screw-Locking InsertFree Running Insert

Eliminate Stress Increase Strength • Standard tapped holes carry most of the load on the first

2 or 3 threads• Heli-Coil Insert Assembly provides a dynamic load.

Each coil of the insert carries a portion of the load resulting in a stronger assembly

Standard AssemblyHeli-Coil Assembly

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Selection, Support And ValueGet What You Need And More With S.W. AndersonWe have been selling STANLEY Heli-Coil® products for more than 60 years and carry the full range of Heli-Coil inserts and tooling.

You can trust that we will always be a true partner who genuinely connects with you, takes the time to understand your operation and puts your business’s best interests first.

As a leading Heli-Coil distributor, we offer a large in-stock inventory with shorter lead times, custom packaging options and, of course, superior service and outside sales support.

ABOUT S.W. ANDERSON

S.W. Anderson is a stocking distributor and engineering representative for specialty fasteners, standard fasteners and other OEM components. Our full line of products and quality brands simplifies your ordering process and keeps your business running smoothly.

ILLINOIS800-323-8462

MINNESOTA800-422-0593

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