Schroefdraad

Kortspanig (messing, gietijzer...)

Langspanig (staal, aluminium...)

spoed

M1

0.75

0.8

0.25

M2

1.5

1.6

0.4

M2.5

2.0

2.1

M3

2.3

2.5

0.5

M3.5

2.8

3.0

M4

3.2

3.3

0.7

M5

4.1

4.2

0.8

M6

4.8

5

1

M8

6.6

6.8

1.25

M10

8.3

8.5

1.5

M12

10.3

10.5

1.75

M14

11.8

12

2

M16

13.8

14

2

M18

15.2

15.5

2.5

M20

17.2

17.5

2.5

M22

19.2

19.5

2.5

M24

20.8

21

3

M27

23.8

24

3

M30

26.3

26.5

3.5