Technical History and International Equivalents of DIN EN ISO 8676

Equivalent standards: UNI EN ISO 8676 BS EN ISO 8676

Hexagon head screws, metric fine thread, fully threaded

 

This standard (DIN EN ISO 8676) specifies the characteristics of hexagon head screws with metric fine pitch thread with nominal thread diameters, d, from 8 mm to 64 mm, of product grade A for nominal thread diameters, d, from 8 mm to 24 mm and nominal lengths, l, up to and including 10d or 150 mm, whichever is the shorter, and of product grade B for nominal thread diameters, d, over 24 mm or nominal lengths, l, 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 8676

Publication date: 10-2022 supersedes DIN EN ISO 8676 07-2011
d thread size Pitch s e k
nom=max min A min B min A min B nom min A min B
M 8 1 13 12.73 12.57 14.38 14.2 5.3 5.15 5.06
M 10 1-1.25 16 15.73 15.57 17.77 17.59 6.4 6.22 6.11
M 12 1.25-1.5 18 17.73 17.57 20.03 19.85 7.5 7.32 7.21
M 14 1.5 21 20.67 20.16 23.36 22.78 8.8 8.62 8.51
M 16 1.5 24 23.67 23.16 26.75 26.17 10 9.82 9.71
M 18 1.5 27 26.67 26.16 30.14 29.56 11.50 11.28 11.15
M 20 1.5-2 30 29.67 29.16 33.53 32.95 12.5 12.28 12.15
M 22 1.5 34 33.38 33 37.72 37.29 14 13.78 13.65
M 24 2 36 35.38 35 39.98 39.55 15 14.78 14.65
M 27 2 41 - 40 - 45.2 17 - 16.65
M 30 2 46 - 45 - 50.85 19 - 18.28
M33 2 50 - 49 - 55.37 21 - 20.58
M 36 3 55 - 53.8 - 60.79 22.5 - 22.08
M 39 3 60 - 58.8 - 66.44 25 - 24.58
M42 3 65 - 63.1 - 71.3 26 - 25.58
M 45 3 70 - 68.1 - 76.95 28 - 27.58
M 48 4 75 - 73.1 - 82.6 30 - 29.58
M 52 4 80 - 78.1 - 88.25 33 - 32.5
M 56 4 85 - 82.8 - 93.56 35 - 34.5
M 60 4 90 - 87.8 - 99.21 38 - 37.5
M 64 4 95 - 92.8 - 104.86 40 - 39.5