mm mm mm mm mm 螺距mm mm 螺距mm mm 螺距mm mm 螺距mm
3 0.5 3 0.35
No.5 40 No.5 44 1/8" 40
3.175 0.635 3.175 0.5773 3.175 0.635
4 0.7 4 0.5
No.8 32 No.8 36
4.1656 0.7938 4.1656 0.7056
3/16" 24 3/16" 32
4.7625 1.0583 4.7625 0.7938
No.10 24 No.10 32
4.8260 1.0583 4.8260 0.7938
5 0.8 5 0.5
6 1 6 0.5
1/4" 20 1/4" 28 1/4" 20 1/4" 26
6.35 1.27 6.35 0.9071 6.35 1.27 6.35 0.9769
5/16" 18 5/16" 24 5/16" 18