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d

for screw size

d₁

b

s

2.1

M2

4.4

0.9

0.5

2.6

M2.5

5.1

1

0.6

3.1

M3

6.2

1.3

0.8

3.6

M3.5

6.7

1.3

0.8

4.1

M4

7.6

1.5

.09

5.1

M5

9.2

1.8

1.2

6.1

M6

11.8

2.5

1.6

8.1

M8

14.8

3

2

10.2

M10

18.1

3.5

2.2

12.2

M12

21.1

4

2.5

14.2

M14

24.1

4.5

3

16.2

M16

27.4

5

3.5

18.2

M18

29.4

5

3.5

20.2

M20

33.6

6

4

22.5

M22

35.9

6

4

24.5

M24

40

7

5

27.5

M27

43

7

5

30.5

M30

48.2

8

6

33.5

M33

55.2

10

6

36.5

M36

58.2

10

6

39

M38

61.2

10

6

42.5

M42

68.2

12

7

45.5

M45

71.2

12

7

49

M48

75

12

7

53

M52

86

14

8