Thread

Inside Diameter (d1)

Outside Diameter (d2)

Thickness (h)

External Chamfer (e)

Internal Chamfer (c)

Dia.

min.

max.

min.

max.

min.

max.

min.

max.

min.

max.

M12

13.00

13.27

23.48

24.00

2.7

3.3

0.50

1.00

1.6

1.9

M16

17.00

17.27

29.48

30.00

3.7

4.3

0.75

1.50

1.6

1.9

M20

21.00

21.33

36.38

37.00

3.7

4.3

0.75

1.50

2.0

2.5

M22

23.00

23.33

38.38

39.00

3.7

4.3

0.75

1.50

2.0

2.5

M24

25.00

25.33

43.38

44.00

3.7

4.3

0.75

1.50

2.0

2.5

M27

28.00

28.52

49.00

50.00

4.4

5.6

1.00

2.00

2.5

3.0

M30

31.00

31.62

54.80

56.00

4.4

5.6

1.00

2.00

2.5

3.0

M36

37.00

37.62

64.80

66.00

5.4

6.6

1.25

2.50

2.5

3.0