TABLA DE BROCAS PARA MACHOSNORMA BRITANICA NORMA METRICA

BROCA

TORNILLOS PARA METALES

BROCA BROCANúmero BROCAPulgadas mm Pulgadas mm BSPT BSP Pulgadas mm

1/16-64 3/64 1,2 0-80 3/64 1,2 1/8-28 21/64" 1/16-60 3/64 1.2 1.5 0.35 1.13/32-48 1,85 1-56 1,4 1/8-28 8,3mm 8,5mm 3/32-48 5/64 1,9 2 0.4 1.61/8-40 3/32 2,6 1-64 1,5 1/4-19 7/16" 29/64" 1/8-40 3/32 2,6 2 0.45 1.5

5/32-32 1/8 3,2 1-72 1,5 1/4-19 11mm 11,5mm 5/32-32 1/8 3,2 2 0.5 1.55/32-36 1/8 3,25 2-56 1,75 3/8-19 37/64" 37/64" 3/16-24 9/64 3,75 2.3 0.4 1.93/16-24 9/64 3,75 2-64 1,8 3/8-19 14,5 15 7/32-24 11/64 4,5 2.6 0.45 23/16-32 5/32 4 3-48 5/64 2 1/2-14 25/32" 47/64" 1/4-20 1-3/64 5,1 2.6 0.45 2.17/32-24 11/64 4,5 3-56 5/64 2,1 1/2-14 18mm 18,5mm 1/4-26 7/32 5,4 3 0.5 2.57/32-32 3/16 4,8 4-32 5/64 2,1 3/4-14 59/64" 15/16" 9/32-26 1/4 6,2 3 0.6 2.41/4-20 13/64 5,1 4-36 5/64 2,15 3/4-14 23,5 24 5/16-18 17/64 6,6 3 0.75 2.251/4-24 13/64 5,3 4-40 2,25 1-11 1*11/64" 1*3/16" 5/16-22 17/64 6,8 3.5 0.6 2.91/4-28 7/32 5,4 4-48 3/32 2,35 1-11 29,5 30,5 3/8-16 5/16 8 4 0.7 3.31/4-32 7/32 5,5 5-40 3/32 2,6 1*1/4-11 1*1/2" 1*17/32" 3/8-20 21/64 8,3 4 0.75 3.25

5/16-18 1/4 6,5 5-44 2,6 1*1/4-11 38mm 39mm 7/16-14 3/8 9,4 4.5 0.75 3.755/16-24 17/64 6,9 6-32 7/64 2,7 1*1/2-11 1*47/64" 1*49/64" 7/16-18 23/64 9,75 5 0.75 4.255/16-32 9/32 7,2 6-32 7/64 2,8 1*1/2-11 44mm 45mm 1/2-12 27/64 10,5 5 0.8 4.23/8-16 5/16 7,9 6-40 7/64 2,9 1*3/4-11 1*31/32" 2 1/2-16 7/16 11 5 0.9 4.13/8-24 21/64 8.5 8-32 1/8 3,4 1*3/4-11 50mm 50,5mm 9/16-12 31/64 12,5 5 1 4

7/16-14 3/8 9,6 8-36 3,5 2-11 2*1/32" 2*1/4" 9/16-16 1/2 13 5.5 0.75 4.757/16-20 25/64 10 8-40 9/64 3,6 2-11 56mm 57mm 5/8-11 17/32 13,5 5.5 0.9 4.61/2-12 27/64 10,5 10-24 9/64 3,8 5/8-14 9/16 14 6 1 51/2-13 27/64 10,5 10-30 5/32 4 11/16-11 19/32 15 6 1.25 4.81/2-20 29/64 11,5 10-32 5/32 4 11/16-14 5/8 15,5 7 1 6

9/16-12 31/64 12 12-24 11/64 4,5 3/4-10 21-32 16,5 7 1.25 5.69/16-18 33/64 13 12-28 11/64 4,6 3/4-12 43-64 17 8 1 75/8-11 17/32 13,5 12-32 3/16 4,7 7/8-9 49/64 19,5 8 1.25 6.85/8-18 37/64 14,5 14-20 3/16 4,9 7/8-11 25/32 20 9 1 8

11/16-11 19/32 15 14-24 13/64 5,1 1-8 7/8 22,5 9 1.25 7.811/16-16 5/8 16 1-10 29/32 23 10 1.25 8.8

3/4-10 21/32 16,5 1*1/8-7 63/64 25 10 1.5 8.63/4-16 11/16 17,5 1*1/8-9 1*1/64 26 11 1.5 9.67/8-9 49/64 19,5 1*1/4-7 1*7/64 28 12 1.25 11

7/8-14 13/16 20,5 1*1/4-9 1*9/64 29 12 1.5 10.51-8 7/8 22,5

BROCA1*3/8-9 1*7/32 31 12 1.75 10.5

1-14 15/16 23,5 1*3/8-8 1*1/4 32 13 1.5 11.5

1*1/8-7 63/64 25 NPT NPS 1*1/2-6 1*11/32 34 13 1.75 11.51*1/8-12 1-3/64 26,5 1/8-27 11/32 1*1/2-8 1*3/8 35 13 2 111*1/4-7 1-7/64 28 1/8-27 8,5mm 8,75 mm 1*5/8-5 1*7/16 36,5 14 1.25 13

1*1/4-12 1-11/64 29,5 1/4-18 7/16 7/16 1*3/4-5 1*9/16 39,5 14 1.75 12.51*3/8-6 1-13/64 31 1/4-18 11mm 11,5mm 1*7/8-4*1/2 1*21/32 42 14 2 12

1*3/8-12 1-19/64 33 3/8-18 9/16 37/64 2-4*1/2 1*25/32 45 15 1.75 13.51*1/2-6 1-11/32 34 3/8-18 14,5mm 15mm 15 2 13

1*1/2-12 1-27/64 36 1/2-14 45/64 23/32 16 2 141*5/8-5*1/2 1-29/64 37 1/2-14 18mm 18,5mm 17 2 15

1*3/4-5 1-9/16 39,5 3/4-14 29/32 59/64 18 1.5 16.52*7/8-5 1-11/16 43 3/4-14 23mm 23,5mm 18 2 162-4*1/2 1-25/32 45 1-11*1/2 1-9/64 1-5/32 18 2.5 15.5

1-11*1/2 29mm 29,5mm 19 2.5 16.51*1/4-11*1/2 1-31/64 1-1/2

EN SECO

20 2 181*1/4-11*1/2 38mm 38,5mm 20 2.5 17.5

2-11*1/2 2-13/64 2-7/32 22 2.5 19.52-11*1/2 56mm 57mm 24 3 21

26 3 2327 3 24

28 3 2530 3.5 26.532 3.5 28.533 3.5 29.534 3.5 30.536 4 32

38 4 34

NORMA AMERICANA

ROSCA GRUESA-NCROSCA FINA-NF

ROSCA ESPECIAL-NS

ROSCA PARA CAÑERIABSPT (Cónica)BSP (Paralela)

WHIT GRUESA-BSWWHIT FINA-BSF

WHIT ESPECIAL WHIT.

INTERNACIONALFARNCESA Y TAMAÑOS

ESPECIALES

Tamaño Nominal

Tamaño Nominal

Tamaño Nominal

DiámetroNominal

Pasomm

BROCAmm

LUBRICANTES RECOMENDADOS

PARA HACER ROSCA

ROSCA AMERICANA PARA CAÑERIA

NPT (Cónica)NPS (Paralela) MATERIAL

ACERO

FUNDIDOINOXIDABLEDE HERRAMIENTASDE MAQUINARIA*AL CROMOAL MANGANESO*AL MOLIBDENOAL NIQUELAL VANADIOHIEERO MALEABLE*

CAUCHO ENDURECIDOFIBRAHIERRO FUNDIDO*RESINAS SINTECTITAS

BRONCE*BRONCE MAGNESICOCOBRELATON*

ALUMINIODURALUMINIOFUNDICION*

*También se puede usar aceite soluble en agua.

Tamaño Nominal

ACEITE SULFURADO

ACEITEFINO

KEROSINACON GRASA

DE CERDO