Technical History and International Equivalents of DIN EN ISO 4014

Equivalent standards: UNI EN ISO 4014 ISO 4014 BS EN ISO 4014

Hexagon head bolts

 

This standard (DIN EN ISO 4014) specifies the characteristics of hexagon head bolts 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 10 d or 150 mm, whichever is the shorter, and product grade B for threads over M24 or nominal lengths over 10 d 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 4014 Grades A and B

Publication date: 06 - 2011 - Supersedes DIN EN ISO 4014: 10 - 2006

d Thread size

P s nom=max. e min. A e min B ds min A ds min B k nom k min A K min B b (l<=125) b (l>125<=200) b (l>200)
M 1.6 0.35 3.2 3.41 3.28 1.46 1.35 1.1 0.975 0.9 9 15 28
M 2 0.4 4 4.32 4.18 1.86 1.75 1.4 1.275 1.2 10 16 29
M 2.5 0.45 5 5.45 5.31 2.36 2.25 1.7 1.575 1.5 11 17 30
M 3 0.5 5.5 6.01 5.88 2.86 2.75 2 1.875 1.8 12 18 31
M3.5 0.6 6 6.58 6.44 3.32 3.2 2.4 2.275 2.2 13 19 32
M 4 0.7 7 7.66 7.5 3.82 3.7 2.8 2.675 2.6 14 20 33
M 5 0.8 8 8.87 8.63 4.82 4.7 3.5 3.35 3.26 16 22 35
M 6 1 10 11.05 10.89 5.82 5.7 4 3.85 3.76 18 24 37
M 8 1.25 13 14.38 14.2 7.78 7.64 5.3 5.15 5.06 22 28 41
M 10 1.5 16 17.77 17.59 9.78 9.64 6.4 6.22 6.11 26 32 45
M 12 1.75 18 20.03 19.85 11.73 11.57 7.5 7.32 7.21 30 36 49
M 14 2 21 23.36 22.78 13.73 13.57 8.8 8.62 8.51 34 40 53
M 16 2 24 26.75 26.17 15.73 15.57 10 9.82 9.71 38 44 57
M 18 2.5 27 30.14 29.56 17.73 17.57 11.5 11.285 11.15 42 48 61
M 20 2.5 30 33.53 32.95 19.67 19.48 12.5 12.285 12.15 46 52 65
M 22 2.5 34 37.72 37.29 21.67 1.48 14 13.785 13.65 50 56 69
M 24 3 36 39.98 39.55 23.67 23.48 15 14.785 14.65 54 60 73
M 27 3 41 - 45.2 - 26.48 17 13.65 60 66 79
M 30 3.5 46 - 50.85 - 29.48 18.7 18.28 66 72 85
M 33 3.5 50 - 55.37 - 32.38 21 20.58 - 78 91
M 36 4 55 - 60.79 - 35.38 22.5 22.08 - 84 97
M 39 4 60 - 66.44 - 38.38 25 24.58 - 90 103
M 42 4.5 65 - 71.3 - 41.38 26 25.58 - 96 109
M 45 4.5 70 - 76.95 - 44.38 28 27.58 - 102 115
M 48 5 75 - 82.60 47.38 30 29.58 - 108 121
M 52 5 80 - 88.25 51.26 33 32.5 - 116 129
M 56 5.5 85 - 93.56 55.26 35 34.5 - - 137
M 60 5.5 90 - 99.21 59.26 38 37.5 - 132 145
M 64 6 95 - 104.86 63.26 40 39.5 - - 153