MACHUELO

MEDIDAHILOS

x PULG.

DIAM.BROCA

EQUIV.DECIMAL

% TEO-RICO

ROSCA

MACHUELO

MEDIDAHILOS

x PULG.

DIAM.BROCA

EQUIV.DECIMAL

% TEO-RICO

ROSCA

MACHUELODIAM.BROCA

EQUIV.DECIMAL MACHUELO

DIAM.BROCA

EQUIV.DECIMAL

80

64

72

56

64

48

56

40

48

40

44

32

40

32

36

24

32

24

28

20

24

13/64

563/64545353

1/1651504950495/6447464645444342423/323938383736

7/64353332292829289/64252423222120171615151413 7

6 5 4

0.04650.0469

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

0.10650.10940.1100

0.13600.1405

0.14950.15200.1540

0.17300.17700.1800

0.20100.20310.20400.2055

8381

7558

7964

787356

6868

7971

7768

786868

817671

787367

76

8967

826956

777667

7157

7972

787069

6958

757067

797267

75727169

1/4

1/4 5/16

5/16 5/16

5/16 3/8

3/8 3/8

3/8 7/16

7/16

7/16 7/16 1/2

1/2 1/2 1/2 9/16

9/16

9/16 5/8

5/8 5/8

5/8 11/16 11/16 3/4

3/4 3/4 3/4 13/16 13/16 13/16 7/8

28

3218

2024

3216

2024

3214

20

242813

20242812

18

2411

1218

24122410

1216201216209

7/322

7/32FG

17/64 17/64

IJ

9/32 5/16

OP

21/64QR

11/32U

3/8 VW

25/64XY

27/64 7/16 29/64 29/64 15/32 15/32 31/64 1/2

33/64 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 3/4

49/64 49/64 25/32

0.21880.22100.21880.25700.26100.26560.26560.27200.27700.28130.31250.31600.32300.32810.33200.33900.34380.36800.37500.37700.38600.39060.39700.40400.42190.43750.45310.45310.46880.46880.48440.50000.51560.51560.53130.54690.54690.56250.57810.57810.60940.64060.64060.65630.67190.68750.70310.73440.75000.76560.76560.7813

67737777716572756677777364727967777567657972757278637287678772876587796672876587728784727277727277727665

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 63/6411-1/321-3/641-1/161-1/161-3/321 7/641-1/8 1- 5/321-11/641-3/161-3/161-3/161-13/641-7/321-15/641-9/321-19/641-5/161-5/161-5/161-21/641-11/321-23/641-13/321-27/641-7/161-7/16

1-11/161-5/162-3/162-7/162-11/162 15/16

0.79690.81250.81250.82810.85940.87500.89060.87500.89060.92190.93750.92190.93750.93750.95310.98441.00001.03131.04691.06251.06251.09381.10941.12501.15631.17191.18751.18751.18751.20311.21881.23441.28121.29691.31251.31251.31251.32811.34381.35941.40621.42191.43751.43751.68751.93752.18752.43752.68752.9375

0.79698467777272777277677258846777727667877277878476678772778787797265877277878779726587727787777777777777

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

MACHUELO MEDIDA 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 OBTENER LA MEDIDA DE BROCA

Medida de Broca

Diám. Exterior de Rosca

0.01299 x % Rosca =

No. de Hilos por Pulg.

PORCENTAJE DE ROSCA PARAOTRAS MEDIDAS DE BROCA

Nota: Seleccione la broca comercial más próxima

* Para Roscado sin Rimar

% de Rosca =0.01299

x

Diám. Exterior de 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

1-1/4 1-1/4 1-3/8

2-1/4 2-1/2 2-3/4

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

1-1/2 1-1/2

1-3/4 2

3

1214

16201216128

12

14

16207

12

16187

12

16186

12

16186

12

1618161616161616

R

HERRAMIENTAS CLEVELAND, S.A., de C.V.

Calzada Azcapotzalco La Villa No. 1001, Col. Industrial Vallejo, C. P. 02300, México, D. F., Tels.: (55) 5093 8570, www.herramientascleveland.com.mx

(55) 5587 7400

FORMULA DE ROSCA MÉTRICA Medida de Broca

Diám. Exteriorde Rosca

= % Rosca x Paso en mm

76.980

% de Rosca = 76.980

Paso en mm

Diám. Exteriorde Rosca

Medida de Broca 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

1.25mm1.3mm # 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

776661

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

20.5mm13/16

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

7770

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

7mmJ

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.BROCA

EQUIV.DECIMAL

.2500

.4375

.7188

1.1562

1.7500

2.6562

.3438

.5781

.9219

1.5000

2.2188

1/4

11/32

7/16

31/64

23/32

59/64

1-5/32

1-1/2

1-3/4

2-7/32

2-21/32

R

HERRAMIENTAS CLEVELAND, S.A., de C.V.

Calzada Azcapotzalco La Villa No. 1001, Col. Industrial Vallejo, C. P. 02300, México, D. F., Tels.: (55) 5093 8570, (55) www.herramientascleveland.com.mx

5587 7400

Frente Vuelta

Numéricos, Fraccionales y Porcentajes de Rosca

% TEO-RICO

ROSCA

% TEO-RICO

ROSCA

% TEO-RICO

ROSCA