DIN 6915 Grade A4-80

DIN 6915 Grades

DIN 6915 Grade A4-80

β = 15° to 30°
θ = 90° to 120°


Dimensional standard as per DIN 6915

Size

Pitch (p)

Width across corner (e)

Width across Flat (s)

Thickness (m)

da

dw

Minor diameter (Bore) (d)

 

MM

Min.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Min.

Max.

M-12

1.75

23.91

21.16

22.00

9.64

10.00

12.00

13.00

20.00

10.20

10.30

M-16

2.00

29.56

26.16

27.00

12.30

13.00

16.00

17.30

2.00

12.10

12.20

M-20

2.50

35.03

31.00

32.00

14.90

16.00

20.00

21.60

30.00

17.60

17.70

M-22

2.50

39.55

35.00

36.00

16.90

18.00

22.00

23.70

34.00

19.60

19.70

M-24

3.00

45.20

40.00

41.00

18.70

20.00

24.00

25.90

39.00

20.70

20.80

M-27

3.00

50.85

45.00

46.00

20.70

22.00

27.00

29.10

43.50

23.80

23.90

M-30

3.50

55.37

49.00

50.00

22.70

24.00

30.00

32.40

47.50

26.50

26.60

M-36

4.00

66.44

58.80

60.00

27.70

29.00

36.00

38.90

57.00

32.10

32.20

M-42

4.50

76.95

68.10

70.00

32.40

34.00

36.00

38.90

64.70

37.70

37.80

M-45

4.50

82.60

73.10

75.00

34.40

36.00

39.00

42.10

69.50

40.90

41.00

M-48

5.00

88.25

78.10

80.00

36.40

38.00

42.00

45.40

74.20

43.10

43.20

M-56

5.50

99.20

87.80

90.00

43.40

45.00

45.00

48.60

83.40

50.80

50.90

M-64

6.00

110.50

97.80

100.00

49.10

51.00

48.00

51.80

92.90

57.80

57.90