Technical History and International Equivalents of DIN EN ISO 14584

Hexalobular socket raised countersunk head screws

This standard (DIN 14584 and equivalents) specifies the characteristics of hexalobular socket raised countersunk head screws of product grade A, and with thread sizes from M2 up to and including M10.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 14584

Publication date 06/2011 Supersedes DIN 14584 /2002

d thread size P dk nom=max k nom=max r ~ Hexalobular socket
Socket Nr A t max t min
M 2 0.4 3.8 1.2 4 6 1.75 0.77 0.63
M 2.5 0.45 4.7 1.5 5 8 2.4 1.04 0.91
M 3 0.5 5.5 1.65 6 10 2.8 1.15 0.88
M 3.5 0.6 7.30 2.35 8.5 15 3.35 1.53 1.27
M 4 0.7 8.40 2.7 9.5 20 3.95 1.80 1.42
M 5 0.8 9.30 2.7 9.5 25 4.5 2.03 1.65
M 6 1 11.30 3.3 12 30 5.6 2.42 2.02
M 8 1.25 15.80 4.65 16.5 45 7.95 3.31 2.92
M 10 1.5 18.30 5 19.5 50 8.95 3.81 3.42

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Din 14583 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

d thread size M 2 M 2.5 M 3 M 3.5 M 4 M 5 M 6 M 8 M 10
nominal length l
3 0.178 0.336
4 0.196 0.366 0.544
5 0.215 0.396 0.588 0.891 1.3
6 0.233 0.426 0.632 0.951 1.38 2.32
8 0.27 0.486 0.72 1.07 1.53 2.57 4.37
10 0.307 0.546 0.808 1.19 1.69 2.81 4.72 9.96
12 0.344 0.606 0.896 1.31 1.84 3.06 5.07 10.6 19.8
14 0.381 0.666 0.984 1.43 2 3.31 5.42 11.2 20.5
16 0.418 0.726 1.07 1.55 2.15 3.56 5.78 11.9 21.8
20 0.492 0.846 1.25 1.79 2.46 4.05 6.48 13.2 23.8
25 0.996 1.47 2.09 2.85 4.67 7.36 14.8 26.3
30 1.69 2.39 3.23 5.29 8.24 16.4 28.8
35 2.68 3.62 5.91 9.12 18 31.3
40 4.01 6.52 10 19.6 33.9
45 7.14 10.9 21.2 36.4
50 7.76 11.8 22.8 38.9
55 12.6 24.4 41.4
60 13.5 26 43.9