普通螺纹螺距（粗牙、细牙）对照表
螺纹
M1
M1.1
M1.6
M2
M2.5
M3
M4 M5 M6 M8
M10 M12
(M14)
M16
(M18)
M20
(M22)
M24
(M27)
M30
(M33)
M36
(M39)
M42
(M45)
M48
(M52)
M56
(M60)
M64
(M68)
M72
(M76)
M80
粗牙
0.25
0.25
0.35
0.4
0.45
0.5
0.7 0.8
1
1.25
1.5
1.75
22
2.5 2.5 2.5 33
3.5 3.5 44
4.5 4.5 55
5.5 5.5 66666
细牙
0.2
0.2
0.2
0.25
0.35
0.35
0.5 0.5
0.75, (0.5)
1, 0.75, (0.5)
1.25, 1, 0.75, (0.5)
1.5, 1.25, 1, (0.75), (0.5) 1.5, 1.25, 1, (0.75), (0.5) 1.5, 1.25, 1, (0.75), (0.5)
2, 1.5, 1.25, 1, (0.75), (0.5) 2, 1.5, 1.25, 1, (0.75), (0.5) 2, 1.5, 1.25, 1, (0.75), (0.5)
2, 1.5, 1, (0.75) 2, 1.5, 1, (0.75)
3, 2, 1.5, 1, (0.75)
(3), 2, 1.5, 1, (0.75)
3, 2, 1.5, (1) 3, 2, 1.5, (1)
(4), 3, 2, 1.5, (1) (4), 3, 2, 1.5, (1) (4), 3, 2, 1.5, (1) (4), 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) 4, 3, 2, 1.5, (1) |
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