Technical History and International Equivalents of DIN EN ISO 4017

Equivalent standards: UNI EN ISO 4017 ISO 4017 BS EN ISO 4017

This standard (DIN EN ISO 4017) specifies the characteristics of hexagon head screws with threads from M1,6 up to and including M64, of product grade A for threads M1,6 to M24 and nominal lengths up to and including 10d or 150 mm, whichever is the shorter, and product grade B for threads over M24 or nominal lengths over 10d or 150 mm, whichever is the shorter.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm- source DIN EN ISO 4017 Grades A and B

Publication date: 10/2014 - Supersedes DIN EN ISO 4017: 06/2011
d thread size P s nom=max e min A e min B k nom k min A k min B
M 1.6 0.35 3.20 3.41 3.28 1.1 0.975 0.9
M 2 0.4 4 4.32 4.18 1.4 1.275 1.2
M 2.5 0.45 5 5.45 5.31 1.7 1.575 1.5
M 3 0.5 5.5 6.01 5.88 2 1.875 1.8
M 3.5 0.6 6 6.58 6.44 2.4 2.275 2.2
M 4 0.7 7 7.66 7.5 2.8 2.675 2.6
M 5 0.8 8 8.79 8.63 3.5 3.35 3.26
M 6 1 10 11.05 10.89 4 3.85 3.76
M 8 1.25 13 14.38 14.2 5.3 5.15 5.06
M 10 1.5 16 17.77 17.59 6.4 6.22 6.11
M 12 1.75 18 20.03 19.85 7.5 7.32 7.21
M 14 2 21 23.36 22.78 8.8 8.62 8.51
M 16 2 24 26.75 26.17 10 9.82 9.71
M 18 2.5 27 30.14 29.56 11.5 11.285 11.15
M 20 2.5 30 33.53 32.85 12.5 12.285 12.15
M 22 2.5 34 37.72 37.29 14 13.785 13.65
M 24 3 36 39.98 39.55 15 14.785 14.65
M 27 3 41 45.2 - 17 13.65
M 30 3.5 46 50.85 - 19 18.28
M 33 3.5 50 55.37 - 21 20.58
M 36 4 55 60.79 - 23 22.08
M 39 4 60 66.44 - 25 24.58
M 42 4.5 65 71.3 - 26 25.58
M 45 4.5 70 76.95 - 28 27.58
M 48 5 75 82.6 - 30 29.58
M 52 5 80 88.25 - 33 32.5
M 56 5.5 85 93.56 - 35 34.5
M 60 5.5 90 99.21 - 38 37.5
M 64 6 95 104.86 - 40 39.5