EN 14399-4 Grade 10.9


EN 14399-4 Grades

EN 14399-4 Grade 10.9

Dimensional standard as per EN 14399-4

S. No.

Size

Pitch (p)

Width across corner (e)

Width across Flat (s)

Thickness of head (k)

Thread Length (b)

da

dw

Shank diameter (ds)

Radius under head ( r )

Washer height (c)

Major Diameter (D)

Pitch Diameter (D1)

Minor Diameter (D2)

   

MM

Min.

Min.

Max.

Min.

Max.

Min.

Max.

Max.

Min.

Min.

Max.

Min.

Min.

Max.

Min.

Min.

Min.

Max.

Min.

1

M-16

2.0

29.56

26.16

27

9.25

10.75

28

30.00

19.20

24.90

15.30

16.70

1.2

0.4

0.6

15.68

15.96

14.50

14.60

13.80

3

M-20

2.5

35.03

31.00

32

12.10

13.90

33

35.50

24.00

29.50

19.16

20.84

1.5

0.4

0.8

19.62

19.96

18.15

18.25

17.25

4

M-22

2.5

39.55

35.00

36

13.10

14.90

34

36.50

26.00

33.30

21.16

22.84

1.5

0.4

0.8

21.62

21.96

20.15

20.25

19.25

5

M-24

3.0

45.20

40.00

41

14.10

15.90

39

43.00

28.00

38.00

23.16

24.84

1.5

0.4

0.8

23.58

23.95

21.80

21.90

20.70

6

M-27

3.0

50.85

45.00

46

16.10

17.90

41

45.00

32.00

42.80

26.16

27.84

2.0

0.4

0.8

26.58

26.95

24.80

24.90

23.70

7

M30

3.5

55.37

49.00

50

17.95

20.05

44

49.50

35.00

46.60

29.16

30.84

2.0

0.4

0.8

29.52

29.95

27.50

27.60

26.16

9

M-36

4.0

66.44

58.80

60

21.95

24.05

52

59.00

41.00

55.90

35.00

37.00

2.0

0.4

0.8

35.46

35.94

33.15

33.25

31.61

10

M-39

4.0

71.30

63.10

65

23.95

26.05

68

75.00

45.00

60.00

38.00

40.00

2.5

0.5

1.0

38.46

38.94

36.20

36.30

34.61

11

M-42

4.5

76.95

68.10

70

24.95

27.05

74

82.50

48.00

64.70

41.00

43.00

2.5

0.5

1.0

41.44

41.94

38.80

38.90

37.07

12

M-45

4.5

82.60

73.10

75

26.95

29.05

76

84.50

52.00

69.45

44.00

46.00

3.0

0.5

1.0

44.44

44.94

41.80

41.90

40.07

13

M-48

5.0

88.25

78.10

80

28.95

31.05

82

92.00

55.00

74.20

47.00

49.00

3.0

0.5

1.0

47.40

47.93

44.50

44.60

42.52

15

M-56

5.5

99.20

87.80

90

33.75

36.25

90

101.50

64.20

83.40

54.80

57.20

3.5

0.5

1.0

55.36

55.92

52.10

52.20

49.97

17

M-64

6.0

110.50

97.80

100

38.75

41.25

100

113.00

73.20

92.90

62.80

65.20

4.0

0.5

1.0

63.32

63.92

59.80

59.90

57.42