Crucis reducta countersunk machina capitis cochlea DIN 7987

Post speciem d

M1.6

M2

M2.5

M3

M3.5

M4

M5

M6

M8

M10

P')

0.35

0.4

0.45

0.5

0.6

0.7

0.8

1

1.25

1.5

a

max

0.7

0.8

0.9

1

1.2

1.4

1.6

2

2.5

3

b

P

15

16

18

19

20

22

25

28

34

40

dxmax = Nomen capitis magnitudine

3

3.8

4.7

5.6

6.5

7.5

9.2

11

14.5

18

min

2.75

3.5

4.4

5.3

6.14

7.14

8.84

10.57

14.07

17.57

k

max

0.96

1.2

1.5

1.65

1.93

2.2

2.5

3

4

5

r*

max

0.4

0.5

0.7

0.8

0.95

1

1.3

1.6

2

2.5

X

max

0.9

1

1.1

1.25

1.5

1.75

2

2.5

3.2

3.8