DIN 934 Grade A4-80L

DIN 934 Grades

DIN 934 Grade A4-80L

β = 15° to 30°
θ = 90° to 120°


Dimensional standard as per DIN 934

S. No.

Size

Pitch (p)

Width across corner (e)

Width across Flat (s)

Thickness (m)

da

dw

Major Diameter D

Pitch Diameter D1

Minor Diameter D2

mm

Min.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Min.

Min.

Max.

Min.

Max.

1

M-16

2.0

26.75

23.67

24

14.10

14.80

16

17.30

22.50

16.00

14.70

14.93

13.84

14.21

2

M-18

2.5

29.56

26.16

27

15.10

15.80

18

19.50

24.90

18.00

16.38

16.60

15.60

15.70

3

M-20

2.5

32.95

29.16

30

16.90

18.00

20

21.60

27.70

20.00

18.38

18.60

17.60

17.70

4

M-22

2.5

37.29

33.00

34

18.10

19.40

22

23.70

31.40

22.00

20.38

20.60

19.60

19.70

5

M-24

3.0

39.55

35.00

36

20.20

21.50

24

25.90

33.30

24.00

22.05

22.32

20.70

20.80

6

M-27

3.0

45.20

40.00

41

22.50

23.80

27

29.10

38.00

27.00

25.05

25.32

23.80

23.90

7

M30

3.5

50.85

45.00

46

24.30

25.60

30

32.40

42.80

30.00

27.73

28.01

26.50

26.60

8

M-33

3.5

55.37

49.00

50

27.40

28.70

33

35.60

46.60

33.00

30.73

31.01

29.20

29.30

9

M-36

4.0

60.79

53.80

55

29.40

31.00

36

38.90

51.10

36.00

33.40

33.70

32.10

32.20

10

M-39

4.0

66.44

58.80

60

31.80

33.40

39

42.10

55.90

39.00

36.40

36.70

35.10

35.20

11

M-42

4.5

71.30

63.10

65

32.40

34.00

42

45.40

60.00

42.00

39.08

39.39

37.60

37.70

12

M-45

4.5

76.95

68.10

70

34.40

36.00

45

48.60

64.70

45.00

42.08

42.39

40.90

41.00

13

M-48

5.0

82.60

73.10

75

36.40

38.00

48

51.80

69.50

48.00

44.75

45.09

43.10

43.20

14

M-52

5.0

88.25

78.10

80

40.40

42.00

52

56.20

74.20

52.00

48.75

49.09

47.50

47.60

15

M-56

5.5

93.56

82.80

85

43.40

45.00

56

60.50

78.70

56.00

52.43

52.78

50.80

50.90

16

M-60

5.5

99.21

87.80

90

46.40

48.00

60

64.80

83.40

60.00

56.43

56.78

54.90

55.00

17

M-64

6.0

104.86

92.80

95

49.10

51.00

64

69.10

88.20

64.00

60.10

60.48

57.80

57.90