DIN 137
Form B = Waved

*All measurements in millimeters (mm)* 

d

used for

d1

s

3.2

M3

8

0.5

3.7

M3.5

8

0.5

4.3

M4

9

0.5

5.3

M5

11

0.5

6.4

M6

12

0.5

7.4

M7

14

0.8

8.4

M8

15

0.8

10.5

M10

21

1

13

M12

24

1.2

15

M14

28

1.6

17

M16

30

1.6

19

M18

34

1.6

21

M20

36

1.6

23

M22

40

1.8

25

M24

44

1.8

28

M27

50

2

31

M30

56

2.2

34

M33

60

2.2

37

M36

68

2.5

 All information is strictly informative