TABELA DE Ø DIÂMETROS PRIMITIVOS
Série BSF
Ø Fios Min. Max.  Graus 
3/16 32 4,171 4,255        3,25
7/32 28 4,884 4,976        3,20
1/4 26 5,631 5,725        3,05
9/32 26 6,419 6,518        2,45
5/16 22 7,094 7,198        2,55
3/8 20 8,600 8,712        2,40
7/16 18 10,089 10,209        2,30
1/2 16 11,557 11,682        2,30
9/16 16 13,139 13,272        2,10
5/8 14 14,577 14,712        2,15
11/16 14 16,160 16,300        2,00
3/4 12 17,544 17,693        2,10
13/16 12 19,129 19,281        2,00
7/8 11 20,589 20,747        2,00
1 10 23,607 23,774        1,55
1 1/8 9 26,594 26,769        1,55
1 1/4 9 29,761 29,944        1,45
1 3/8 8 32,703 32,983        1,45
1 1/2 8 35,872 36,068        1,35
1 5/8 8 39,042 39,243        1,30
1 3/4 7 41,915 42,126        1,35
2 7 48,255 48,476        1,20
2 1/4 6 54,206 54,440        1,25
2 1/2 6 60,548 60,790        1,15
2 3/4 6 66,891 67,140        1,10
3 5 72,685 72,946        1,15