tabla_seleccion_d_ brocas_para_roscado.pdf
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7/26/2019 Tabla_Seleccion_d_ Brocas_para_Roscado.pdf
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MACHUELO
MEDIDAHILOS
x PULG.
DIAM.BROCA
EQUIV.DECIMAL
%TEO-RICO
ROSCA
MACHUELO
MEDIDAHILOS
x PULG.
DIAM.BROCA
EQUIV.DECIMAL
%TEO-RICO
ROSCA
MACHUELODIAM.
BROCAEQUIV.
DECIMAL MACHUELODIAM.
BROCAEQUIV.
DECIMAL
80
64
72
56
64
48
56
40
48
40
44
32
40
32
36
24
32
24
28
20
24
13/64
56
3/645453
531/1651
5049
50495/6447
4646
4544434242
3/3239
38383736
7/64353332292829
289/642524232221
201716
1515
1413 7
6 5
4
0.0465
0.0469
0.05950.0625
0.07000.0730
0.08100.08200.0960
0.09350.0938
0.10150.1040
0.11300.1160
0.13600.14050.1406
0.15700.15900.1610
0.18000.18200.1850
0.2090
0.05500.0595
0.06700.07000.0730
0.07810.07850.0810
0.08900.0935
0.09950.1015
0.1065
0.10940.1100
0.13600.1405
0.14950.15200.1540
0.17300.17700.1800
0.20100.20310.20400.2055
83
81
7558
7964
787356
6868
7971
7768
786868
817671
787367
76
8967
826956
777667
7157
7972
78
7069
6958
757067
797267
75727169
1/4
1/45/16
5/16 5/16
5/16 3/8
3/83/8
3/87/16
7/16
7/16 7/16
1/2
1/21/21/29/16
9/16
9/16
5/8
5/85/8
5/8
11/16 11/16 3/4
3/4
3/43/4
13/16 13/16 13/16 7/8
28
3218
20
24
3216
2024
32
14
20
242813
20242812
18
2411
1218
24
122410
12
16201216
209
7/32
2 7/32
FG
17/64 17/64
IJ
9/32 5/16
OP
21/64Q
R 11/32
U 3/8
VW
25/64XY
27/64 7/16
29/64 29/64 15/32 15/32 31/64 1/233/64
33/64
17/32 35/64 35/64 9/16 37/64 37/64 39/64 41/64 41/64 21/32 43/64
11/16 45/64 47/64 3/449/64
49/64 25/32
0.2188
0.22100.21880.25700.26100.26560.26560.27200.27700.28130.31250.31600.32300.32810.3320
0.33900.3438
0.36800.37500.3770
0.38600.3906
0.39700.40400.42190.4375
0.45310.45310.46880.46880.48440.50000.51560.51560.53130.54690.54690.5625
0.57810.5781
0.60940.64060.6406
0.65630.67190.68750.70310.73440.75000.7656
0.76560.7813
67
737777716572
7566777773647279
6777756765
7972
75727863
72876787728765
8779667287
6587
728784
7272
77727277727665
51/64
51/64 13/16
13/16 53/64 55/64 7/8 57/64
7/8 57/64 59/64
15/16 59/64 15/16 15/16 61/64 63/6411-1/321-3/64
1-1/161-1/16
1-3/321 7/64
1-1/8 1- 5/32
1-11/641-3/161-3/16
1-3/161-13/641-7/32
1-15/641-9/321-19/641-5/161-5/161-5/161-21/64
1-11/321-23/641-13/321-27/641-7/161-7/16
1-11/161-5/162-3/16
2-7/162-11/162 15/16
0.79690.81250.81250.82810.85940.8750
0.89060.87500.89060.92190.93750.92190.93750.9375
0.95310.98441.00001.03131.0469
1.06251.06251.09381.10941.12501.1563
1.17191.18751.18751.18751.20311.21881.2344
1.28121.29691.31251.31251.31251.32811.3438
1.35941.40621.42191.43751.4375
1.68751.93752.18752.43752.68752.9375
0.7969
8467
7772727772776772
5884677772
76678772
7787
84766787
727787877972
658772778787
7972
65877277
87
77777777
7777
720
1
1
2
2
3
3
4
4
5
5
6
6
8
8
10
10
12
12
1/4
1/4
SELECCIÓN DE BROCAS PARA ROSCADO DE TUBERIA
MACHUELOMEDIDA EQUIV. DECIMAL
1/161/ 81/ 43/ 8½3/ 411-1/41-1/222-1/23
* NPTMEDIDA EQUIV. DECIMAL
* NPTF
D
7/16
45/64
1-9/64
1-47/64
2-5/8
Q
9/16
29/32
1-31/64
2-13/64
.2460
.4375
.7031
1.1406
1.7344
2.6250
.3320
.5625
.9062
1.4844
2.2031
D
7/16
45/64
1-5/32
1-47/64
2-41/64
R
37/64
59/64
1-1/2
2-7/32
3-17/64
.2460
4375
.7031
1.1562
1.7344
2.6406
.3390
.5781
.9219
1.5000
2.2188
3.2656
FORMULA PARA OBTENERLA M EDIDA DE BROCA
Medida deBroca
Diám. Exteriorde Rosca
0.01299 x % Rosca=
No. de Hilos por Pulg.
PORCENTAJE DE ROSCA PARAOTRAS MEDIDAS DE BROCA
Nota: Seleccione la brocacomercial más próxima
* Para Roscado sin Rimar
% de Rosca =0.01299
x
Diám. Exteriorde Rosca
Diám. deBroca Selecc.( )No. de Hilos
por Pulgada
MACHUELO
MEDIDAHILOS
x PULG.
DIAM.BROCA
EQUIV.DECIMAL
%TEO-RICO
ROSCA
1-1/4
1-1/8
1-1/41-1/4
1-3/8
2-1/4
2-1/22-3/4
7/8
7/8
7/8 7/815/1615/1615/16
1
1
1
11
1-1/8
1-1/8 1-1/8
1-1/4
1-3/8
1-3/8
1-3/8 1-1/2
1-1/2
1-1/21-1/2
1-3/42
3
12
14
16
201216
128
12
14
16
207
12
1618
7
12
16186
12
16
186
12
1618
161616161616
FORMULA DE ROSCA MÉTRICA Medida deBroca
Diám. Exteriorde Rosca
= % Rosca x Paso en mm
76.980
% de Rosca = 76.980Paso en mm
Diám. Exteriorde Rosca
Medida deBroca Selecc.( )
M1.6x.35
M2x.4
M2.5x.45
M3.5x.6
M4.5X.75
M6X 1
M8X 1.25
M1.8x.35
M2.2x.45
M3x.5
M4X.7
M5X.8
M7X 1
1.25mm
1.3mm# 55
1.6mm# 52
2.05mm# 45
2.9mm# 32
3.75mm# 25
5mm# 8
6.75mm6.8mm
1.45mm1.5mm# 53
1.75mm# 50
2.5mm# 39
3.3mm3.4mm# 29
4.2mm# 18
6mmB
.0492
.0512
.0520
.0630
.0635
.0700
.0820
.1142
.1160
.1476
.1495
.1969
.1990
.2657
.2677
.0571
.0591
.0595
.0689
.0700
.0984
.0995
.1299
.1339
.1360
.1654
.1695
.2362
.2380
77
6661
7774
7771
7771
7772
7773
7774
776664
7772
7773
776660
7767
7774
M22 X 1.5
M24 X 2
M27 X 2
M30 X 2
M33 X 2
M36 X 3
M39 X 3
M24 X 3
M27 X 3
M30 X 3.5
M33 X 3.5
M36 X 4
M39 X 4
20.5mm
13/16
22mm7/8
25mm63/64
28mm1-7/64
31mm1-15/64
1-19/6433mm1-5/16
36mm1-27/64
21mm27/32
24mm61/64
26.5mm1-1/16
29.5mm1-11/64
32mm1-17/64
1-3/835mm1-25/64
.8071
.8125
.8661
.8750
.9843
.9844
1.10241.1094
1.22051.2344
1.28691.29921.3125
1.41731.4219
.8268
.8438
.9449
.9531
1.04331.0625
1.16141.1719
1.25981.2656
1.37501.37801.3906
77
70
7768
7777
7770
7763
787768
7774
7766
7772
7766
7771
7774
787771
M8 X 1
M10 X 1.25
M12 X 1.25
M14 X 1.5
M16 X 1.5
M18 X 1.5
M20 X 1.5
M10 X 1.5
M12 X 1.75
M14 X 2
M16 X 2
M18 X 2.5
M20 X 2.5
M22 X 2.5
I
8.5mmR
13/32Z
12mm31/64
14mm9/16
15.5mm5/8
17.5mm45/64
19.5mm25/32
7m mJ
8.75mmS
27/6411mm
12.5mm½
14.5mm37/64
16.5mm21/32
18.5mm47.64
.2720
.3346
.3390
.4062
.4130
.4724
.4844
.5512
.5625
.6102
.6250
.6890
.7031
.7677
.7812
.2756
.2770
.3445
.3480
.4219
.4331
.4921
.5000
.5709
.5781
.6496
.6562
.7283
.7344
67
7771
7466
7765
7766
7765
7768
7766
7774
7771
7962
7767
7768
7768
7769
MACHUELODIAM.
BROCAEQUIV.
DECIMAL
.2500
.4375
.7188
1.1562
1.7500
2.6562
.3438
.5781
.9219
1.5000
2.2188
1/411/32
7/1631/6423/3259/64
1-5/321-1/21-3/4
2-7/322-21/32
Numéricos, Fraccionales y Porcentajes de Rosca
%TEO-RICO
ROSCA
%TEO-RICO
ROSCA
%TEO-RICO
ROSCA