Tabelas Técnicas:Diāmetro de Furos para Roscar



R (BSP) Rosca Whitworh Paralela de Furos para Roscar
Rosca Fios por pol. Diâmetro do Núcleo Diâmetro da Broca
Limites
Máximo Mínimo
1/8" 28 8,848 8,673 8,7
1/4" 19 11,890 11,633 11,75
3/8" 19 15,395 15,138 15,25
1,2 14 19,172 18,823 19,0
5/8" 14 21,128 20,779 21,0
3,4" 14 24,658 24,310 24,5
7,8" 14 28,418 28,069 28,2
1" 11 30,931 30,487 30,5
1,1/8" 11 35,579 35,135 35,4
1,1/4" 11 39,592 39,148 39,5
1,3/8" 11 42,005 41,561 41,8
1,1/2" 11 45,485 45,041 45,2
1,3/4" 11 51,428 50,984 51,2
2" 11 57,296 56,852 57,0
2,1/2" 11 72,866 72,422 72,7
2,3/4" 11 79,216 72,772 79,0
3" 11 85,566 85,122 85,3


Npt Rosca Americana Cônica par Tubos
Rosca Fios por pol. Diâmetro da Broca
1/16 27 6,3
1/8 27 8,5
1/4 18 11,2
3/8 18 14,5
1/2 14 18,0
3/4 14 23,0
1 11,1/2 29,0
1,1/4 11,1/2 38,0
1,1/2 11,1/2 44,0
2 11,1/2 56,0
2,1/2 8 67,0
3 8 83,0