Technical History and International Equivalents of DIN EN ISO 4766

Equivalent standards: UNI EN ISO 4766 ISO 4766 BS EN ISO 4766
The standard (DIN EN ISO 4766) specifies the characteristics of slotted set screws with flat point and thread sizes from M1,2 to M 12 inclusive and product grade A.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN EN ISO 4766

Publication date: 11 - 2011

d thread size

P n nom t min t max d1 max
M 1.2 0.25 0.2 0.4 0.52 0.6
M 1.6 0.35 0.25 0.56 0.74 0.8
M 2 0.4 0.25 0.64 0.84 1
M 2.5 0.45 0.4 0.72 0.95 1.5
M 3 0.5 0.4 0.8 1.05 2
M 3.5 0.6 0.5 0.96 1.21 2.2
M 4 0.7 0.6 1.12 1.42 2.5
M 5 0.8 0.8 1.28 1.63 3.5
M 6 1 1 1.6 2 4
M 8 1.25 1.2 2 2.5 5.5
M 10 1.5 1.6 2.4 3 7
M 12 1.75 2 2.8 3.6 8.5

DIN EN ISO 4766 - 2011 - commercial lengths

thread size M1.2
M1.6
M2
M2.5
M3
M3,5
M4
M5
M6
M8 M10 M12
nominal length l
2 X X X
2.5 X X X X
3 X X X X X X X
4 X X X X X X X
5 X X X X X X X X
6 X X X X X X X X X
8 X X X X X X X X X
10 X X X X X X X X X
12 X X X X X X X X X
14 X X X X X X X X
16 X X X X X X X X
20 X X X X X X X
25 X X X X X
30 X X X X
35 X X X
40 X X X
45 X X
50 X X
55 X
60 X