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DIN 2510-2 Standard Dimensions for Bolted Connections with Reduced Shank; Metric Thread with Large Clearence, Nominal Dimensions and Limits

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The thread according to this standard is the metric ISO thread DIN 13. More fundamental deviations are provided as the connections with the reduced shank screws require minimum edge game for the bolt thread.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 2510 Part 2 - Thread limit dimensions for bolt threads - Gewindegrenzmasse für Bolzengewinde - Dimensioni limite per i filetti dei bulloni
Publication date: 08/1971
thread size P R d d max d min d2 max d2 min d3 max d3 min Core cross section mm²
M 12 1.75 0.18 8.5 11.823 11.558 10.0686 10.536 9.676 9.4 69
M 16 2 0.2 12 15.823 11.543 14.254 14.364 13.369 13.065 133
M 20 2.5 0.25 15 19.8 16.465 18.176 18.006 16.733 16.383 210
M 24 3 0.3 18 23.788 23.413 21.839 21.639 20.107 19.691 303
M 27 3 0.3 20.5 26.788 26.413 24.839 24.639 23.107 22.691 403
M 30 3.5 0.35 23 29.775 29.35 27.502 27.29 25.481 25.017 490
M 33 3.5 0.35 25.5 32.775 32.35 30.502 30.29 28.481 28.017 614
M 36 4 0.4 27.5 35.763 35.288 33.165 32.941 30.856 30.344 721
M 39 4 0.4 30.5 38.763 38.288 36.165 35.941 33.856 33.344 870
M 42 4.5 0.45 32.5 41.75 41.25 38.827 38.591 36.229 35.669 996
M 45 4.5 0.45 35.5 44.75 44.25 41.827 41.591 39.229 38.669 1171
M 48 5 0.5 37.5 47.735 47.205 44.487 44.237 41.601 40.991 1316
M 52 5 0.5 41 51.735 51.205 48.487 48.237 45.601 44.991 1586
M 56 5.5 0.55 44 55.72 55.16 52.148 51.883 48.972 48.311 1829
M 64 6 0.6 51 63.646 63.046 59.749 59.469 56.285 55.573 2421
M 72x6 6 0.6 58.5 71.646 71.046 67.749 67.469 62.285 68.573 3169
M 80x6 6 0.6 666 79.646 79.046 75.749 75.469 72.285 71.573 4017
M 90x6 6 0.6 75 89.646 89.046 85.749 85.469 82.285 81.573 5219
M 100x6 6 0.6 84 99.587 98.987 95.69 93.39 92.226 91.494 6571
M 110x6 6 0.6 92.5 109.587 108.987 105.69 105.39 102.226 101.494 8095
m 120x6 6 0.6 102 119.587 119.987 115.69 115.39 112.226 111.494 9753
M 125x8 8 0.8 106 124.44 123.73 119.244 118.909 114.625 113.714 10150
M 140x8 8 0.8 118 139.44 138.73 134.244 133.909 129.625 128.714 13000
M 150x8 8 0.8 127 149.44 148.73 144.244 143.909 139.625 138.714 15110
M 160x8 8 0.8 136 159.37 158.66 154.174 153.839 149.555 148.644 17330
M 170x8 8 0.8 145 169.37 168.66 164.174 163.819 159.555 158.624 19720
M 180x8 8 0.8 154 179.37 178.66 174.174 173.819 169.555 168.624 22320

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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