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DIN ISO 2936 Standard Dimensions for Sockets screws keys, screwdrivers

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Technical History and International Equivalents of DIN ISO 2936

Equivalent standards: NF ISO 2936 BS ISO 2936

Hexagon socket screw keys

This norm specifies the dimensions, the method of test, the designation, and the marking of hexagon socket screw keys. It also specifies the minimum values of Rockwell hardness that are to be met.

Dimensional Drawing and Technical Diagrams

1888_GBf5Rd_din-iso-2936.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN ISO 2936
Publication Date: 10/2016 Replaces DIN ISO 2936: 09/2001
s e l1 l2
nom max min max min standard long extra long tol. l2 tol.
0.7 0.71 0.70 0.79 0.76 33 - - 0 ÷ -2 7 0 ÷ -2
0.9 0.89 0.88 0.99 0.96 33 - - 11
1.3 1.27 1.24 1.42 1.37 41 63.5 81 13
1.5 1.5 1.48 1.68 1.63 46.5 63.5 91.5 15.5
2 2.0 1.96 2.25 2.18 52 77 102 18
2.5 2.50 2.46 2.82 2.75 58.5 87.5 114.5 20.5
3 3 2.96 3.39 3.31 66 93 129

0 ÷ -4

 23
3.5 3.50 3.45 3.96 3.91 69.5 98.5 140 25.5
4 4 3.95 4.53 4.44 74 104 144 29
4.5 4.50 4.45 5.10 5.04 80 114.5 156 30.5
5 5 4.95 5.67 5.58 85 120 165 33
6 6 5.95 6.81 6.71 96 141 186 38
7 7 6.94 7.94 7.85 102 147 197 41
8 8 7.95 9.09 8.97 108 158 208

0 ÷ -6

 44
9 9 8.94 10.23 10.10 114 169 219 47
10 10 9.94 11.37 11.23 122 180 234 50
11 11 10.89 12.51 12.31 129 191 247 53
12 12 11.89 13.65 13.44 137 202 262 57
13 13 12.89 14.79 14.56 145 213 277

0 ÷ -7

 63

0 ÷ -3
14 14 13.89 15.93 15.70 154 229 294 70
15 15 14.89 17.07 16.83 161 240 307 73
16 16 15.89 18.21 17.97 168 240 307 76
17 17 16.89 19.35 19.09 177 262 337 80
18 18 17.89 20.49 20.21 188 262 358 84
19 19 18.87 21.63 21.32 199 - - 89
21 21 20.87 23.91 23.58 211 - -

0 ÷ -12

 96 0 ÷ -5
22 22 21.87 25.05 24.71 22 - - 102
23 23 22.87 26.16 25.86 233 - - 108
24 24 23.87 27.83 26.97 248 - - 114
27 27 26.87 30.75 30.36 277 - - 127
29 29 28.87 33.03 32.59 311 - - 141
30 30 29.87 34.17 33.75 315 - - 142
32 32 31.84 36.45 35.98 347 - - 157
36 36 35.84 41.01 40.50 391 - - 176

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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