原标题：螺纹粗牙细牙对照表，觉得有用就收藏吧

提示：

粗 牙

细 牙

0.25

0.2

0.25

0.2

0.35

0.2

0.4

0.25

0.45

0.35

0.5

0.35

M4

0.7

0.5

M5

0.8

0.5

M6

1

0.75, (0.5)

M8

1.25

1, 0.75, (0.5)

M10

1.5

1.25, 1, 0.75, (0.5)

M12

1.75

1.5, 1.25, 1, (0.75), (0.5)

(M14)

2

1.5, 1.25, 1, (0.75), (0.5)

M16

2

1.5, 1.25, 1, (0.75), (0.5)

(M18)

2.5

2, 1.5, 1.25, 1, (0.75), (0.5)

M20

2.5

2, 1.5, 1.25, 1, (0.75), (0.5)

(M22)

2.5

2, 1.5, 1.25, 1, (0.75), (0.5)

M24

3

2, 1.5, 1, (0.75)

(M27)

3

2, 1.5, 1, (0.75)

M30

3.5

3, 2, 1.5, 1, (0.75)

(M33)

3.5

(3), 2, 1.5, 1, (0.75)

M36

4

3, 2, 1.5, (1)

(M39)

4

3, 2, 1.5, (1)

M42

4.5

(4), 3, 2, 1.5, (1)

(M45)

4.5

(4), 3, 2, 1.5, (1)

M48

5

(4), 3, 2, 1.5, (1)

(M52)

5

(4), 3, 2, 1.5, (1)

M56

5.5

4, 3, 2, 1.5, (1)

(M60)

5.5

4, 3, 2, 1.5, (1)

M64

6

4, 3, 2, 1.5, (1)

(M68)

6

4, 3, 2, 1.5, (1)

M72

6

4, 3, 2, 1.5, (1)

(M76)

6

4, 3, 2, 1.5, (1)

M80

6

4, 3, 2, 1.5, (1)

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