Size

Width Across Flat (s)

Head Height (k)

DIN 933

DIN 933

Min

Max

Min

Max

M2

3.82

4

1.28

1.52

M3

5.32

5.5

1.88

2.12

M4

6.78

7

2.68

2.92

M5

7.78

8

3.35

3.65

M6

9.78

10

3.85

4.15

M8

12.73

13

5.15

5.45

M10

16.73

17

6.22

6.58

M12

18.67

19

7.32

7.68

M14

21.67

22

8.62

8.98

M16

23.67

24

9.82

10.2

M18

26.67

27

11.28

11.7

M20

29.67

30

12.28

12.7

M22

31.61

32

13.78

14.2

M24

35.38

36

14.78

15.2

M27

40

41

16.65

17.4

M30

45

46

18.28

19.1

M33

49

50

20.58

21.4

M36

53.8

55

22.08

22.9

M39

58.8

60

24.58

25.4

M42

63.1

65

25.58

26.4

M45

68.1

70

27.58

28.4

M48

73.1

75

29.58

30.4

M52

78.1

80

32.5

33.5

M56

82.8

85

34.5

35.5

M60

87.8

90

37.5

38.5

M64

92.8

95

39.5

40.5

M72

102.8

105

44.5

45.5