BSF Whitworth Fine
BSF Whitworth Fine = 55
Ww D P Spp Dm
3/16" 4,763 0,794 32 4,255 4
7/32" 5,556 0,907 28 4,975 4,6
1/4" 6,350 0,977 26 5,725 5,3
9/32" 7,142 0,977 26 6,518 6,1
5/16" 7,938 1,156 22 7,199 6,8
3/8" 9,525 1,270 20 8,712 8,3
7/16" 11,113 1,411 18 10,209 9,7
1/2" 12,700 1,588 16 11,684 11,1
9/16" 14,288 1,588 16 13,272 12,7
5/8" 15,875 1,814 14 14,712 14
11/16" 17,463 1,814 14 16,300 15,5
3/4" 19,050 2,117 12 17,693 16,75
13/16" 20,638 2,117 12 19,281 18,25
7/8" 22,225 2,309 11 20,747 19,75
1" 25,400 2,540 10 23,774 22,75
1 1/8" 28,575 2,822 9 26,769 25,5
1 1/4" 31,750 2,822 9 29,944 28,75
1 3/8" 34,925 3,175 8 32,893 31,5
1 1/2" 38,100 3,175 8 36,068 34,5
1 5/8" 41,275 3,175 8 39,243 38
1 3/4" 44,450 3,629 7 42,126 40,5
2" 50,800 3,629 7 48,476 47
2 1/4" 57,150 4,234 6 54,440 53
2 1/2" 63,500 4,234 6 60,790 59
2 3/4" 69,850 4,234 6 67,140 65,5
3" 76,200 5,080 5 72,946 71
3 1/4" 82,550 5,080 5 79,296 77,5
3 1/2" 88,900 5,645 4 1/2 85,285 83
3 3/4" 95,250 5,645 4 1/2 91,635 89,5
4" 101,600 5,645 4 1/2 97,985 96
4 1/4" 107,950 6,350 4 103,886 101,5