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DIN 603 Standard Dimensions for Cup head square neck bolts

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Cup head square neck bolts

This standard DIN 603 applies to cup head square neck bolts, with metric threads M5 to M20, of product grade C and specifies technical delivery conditions.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 603
Publication date: 05-2017 - Supersedes DIN 603: 09-2010
d thread size Pitch b dk nom f min/max k

v max/min
l≤125 l>125≤200 l>200 min max
M 5 0.8 16 22 - 13 2.9 4.1 2.7 3.3 4.52 5.48
M 6 1 18 24 - 16 3.4 4.6 3.12 3.88 5.52 6.48
M 8 1.25 22 28 41 20 4.4 5.6 4.12 4.88 7.42 8.58
M 10 1.5 26 32 45 24 5.4 6.6 4.62 5.38 9.42 10.58
M 12 1.75 30 36 49 30 7.25 8.75 6.05 6.95 11.3 12.7
M 16 2 38 44 57 38 11.1 12.9 8.05 8.95 15.3 16.7
M 20 2.5 46 52 65 46 14.1 15.9 9.95 11.05 19.16 20.84

Dimensions in mm - source DIN 603
Publication date: 09 - 2010 - Supersedes DIN 603: 10 - 1981
d thread size Pitch b dk nom f min/max k

v max/min
l≤125 l>125≤200 l>200 min max
M 5 0.8 16 22 - 13 2.9 4.1 2.7 3.3 4.52 5.48
M 6 1 18 24 - 16 3.4 4.6 3.12 3.88 5.52 6.48
M 8 1.25 22 28 41 20 4.4 5.6 4.12 4.88 7.42 8.58
M 10 1.5 26 32 45 24 5.4 6.6 4.62 5.38 9.42 10.58
M 12 1.75 30 36 49 30 7.25 8.75 6.05 6.95 11.3 12.7
M 16 2 38 44 57 38 11.1 12.9 8.05 8.95 15.3 16.7
M 20 2.5 46 52 65 46 14.1 15.9 9.95 11.05 19.16 20.84

Din 603-2010- Approximate weigth, in kg x1000 pcs, (ρ=7,85 kg/dm3)
d thread size M5
M6
M8
M10
M12
M16
M20
nominal length l
16 4 6.9
20 4.5 7.6 13.8 22.7
25 5.1 8.5 15.4 25.2
30 5.9 9.6 17 27.7 45.7
35 6.7 10.7 19 30.2 49.4
40 7.5 11.8 21 32.7 53.1
45 8.3 12.9 23 35.8 56.8
50 9.1 14 25 38.9 61.2 119
55 9.9 15.1 26.9 42 65.6 126
60 10.7 16.2 28.9 45.1 70 133
65 11.5 17.3 30.9 48.2 74.4 141
70 12.3 18.4 32.9 51.3 78.8 149 247
80 13.9 20.6 36.8 57.5 87 165 272
90 15.5 22.8 40.8 63.7 96 181 297
100

17.1

 25 44.8 69.9 105 197 322
110 27.2 48.8 76.1 114 213 347
120 29.4 52.8 82.3 123 229 372
130 31.6 56.8 88.5 132 245 397
140 32.8 60.8 95 141 261 422
150 35 64.8 101 150 277 447
160 107 159 293 497
180 119 177 325 547
200 131 195 357 597

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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