This standard specifies dimensions and mechanical and physical properties for sizes M3 to M10 plastic hexagon head screws.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 34810

Publication date: 04/2018 supersedes edition 09/1999
d thread size
M 3 M 4 M 5 M 6 M 8 M 10
P 0.5 0.7 0.8 1 1.25 1.5
tolerance 6e 6e 6g 6g 6g 6g
k nom 2 2.8 3.5 4 5.3 6.4
s nom 5.5 7 8 10 13 16
e min 5.88 7.5 8.63 10.89 14.2 17.59
tightening torque in Nm 0.1 0.25 0.5 0.8 1.8 3.5
screws shall be made of polyamide 6.6 natural colour

DIN 34810 - commercial sizes

d thread size M 3 M 4 M 5 M 6 M 8 M 10
nominal length l
4 X
5 X
6 X X X X
8 X X X X X
10 X X X X X
12 X X X X X
16 X X X X X
20 X X X X X X
25 X X X X X X
30 X X X X X X
35 X X X X X
40 X X X X X
45 X X X X
50 X X X X
55 X X X
60 X X X
65 X X
70 X X
80 X X