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DIN 912 Standard Dimensions for Hexagon socket head cap screws with or without flange

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Technical History and International Equivalents of DIN 912

This norm has been cancelled
This norm has been replaced by DIN EN ISO 4762

Hexagon socket head cap screws

Dimensional Drawing and Technical Diagrams

1716_4270.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 912Withdrawn
Publication date: 12 - 1983 - Supersedes DIN 912: 09 - 1979
d thread size P dk max dk min k max k min s nom

t min

 b
M 1.4 din 912 0.3 2.74 2.46 1.4 1.26 1.5 0.6 14
M 1.6 din 912 0.35 3.14 2.86 1.6 1.46 1.5 0.7 15
M 2 din 912 0.4 3.98 3.62 2 1.86 1.5 1 16
M 2.5 din 912 0.45 4.68 4.32 2.5 2.36 2 1.1 17
M 3 din 912 0.5 5.68 5.32 3 2.86 2.5 1.3 18
M 4 din 912 0.7 7.22 6.78 4 3.82 3 2 20
M 5 din 912 0.8 8.72 8.28 5 4.82 4 2.5 22
M 6 din 912 1 10.22 9.78 6 5.7 5 3 24
M 8 din 912 1.25 13.27 12.73 8 7.64 6 4 28
M 10 din 912 1.5 16.27 15.73 10 9.64 8 5 32
M 12 din 912 1.75 18.27 17.73 12 11.57 10 6 36
M 14 din 912 2 21.33 20.67 14 13.57 12 7 40
M 16 din 912 2 24.33 23.67 16 15.57 14 8 44
M 18 din 912 2.5 27.33 26.67 18 17.57 14 9 48
M 20 din 912 2.5 30.33 29.67 20 19.48 17 10 52
M 22 din 912 2.5 33.39 32.61 22 21.48 17 11 56
M 24 din 912 3 36.39 35.61 24 23.48 19 12 60
M 27 din 912 3 40.39 39.61 27 26.48 19 13.5 66
M 30 din 912 3.5 45.39 44.61 30 29.48 22 15.5 72
M 33 din 912 3.5 50.39 49.61 33 32.38 24 18 78
M 36 din 912 4 54.46 53.54 36 35.38 27 19 84
M 42 din 912 4.5 63.46 62.54 42 41.38 32 24 96
M 48 din 912 5 72.46 71.54 48 47.38 36 28 108
M 56 din 912 5.5 84.54 83.46 56 55.26 41 34 124
M 64 din 912 6 96.54 95.46 64 63.26 46 38 140
M 72 din 912 6 108.5 107.5 72 71.25 55 43 156
M 80 din 912 6 120.5 119.5 80 79.26 65 48 172
M 90 din 912 6 135.6 134.5 90 89.13 75 54 192
M 100 din 912 6 150.6 149.4 100 99.13 85 60 212

Dimensions in mm - average sizes of Socket head screws with flange
d thread size P dk
dc
 c
s nom
k max
t min
M4 0.7 7
9
 1.5
3
4
2.2
M5 0.8 8.5
11
 1.65
4
5
2.5
M6 1 10
12.5
 1.75
5
6
3
M8 1.5 13
17
 2
6
8
4
M10 1.5 15
21
 2
8
10
5
M12 1.75 18
24
 2.3
10
12
6

DIN 912 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items
d thread size M 1.4 M1.6
M2
M2.5
M3
M4
M5
M6

M8
M10
 M 12 M 14 M 16
nominal length l
2.5 0.06 0.085
3 0.065 0.09 0.155
4 0.075 0.1 0.175 0.345
5 0.085 0.11 0.195 0.375 0.67 1.48
6 0.095 0.12 0.215 0.405 0.71 1.5 2.20
8 0.115 0.14 0.255 0.465 0.8 1.65 2.45 4,30
10 0.135 0.16 0.295 0.525 0.88 1.8 2.7 4.7 10.3
12 0.155 0.18 0.355 0.585 0.96 1.95 2.95 5.07 10.9 18.9
16 0.22 0.415 0.705 1.16 2.25 3.45 5.75 12.1 20.9
18 0.47 0.77 1.26 2.45 3.73 6.15 12.8 21.9
20 0.495 0.825 1.36 2.65 4.01 6.53 13.4 22.9 32.1
25 0.975 1.61 3.15 4.78 7.59 15 25.4 35.7 48 71.3
30 1.86 3.65 5.55 8.3 16.9 27.9 39.3 53 77.8
35 2.11 4.15 6.32 9.91 18.9 30.4 42.9 58 84.4
40 2.36 4.65 7.09 11 20.9 32.9 46.5 63 91
45 2.61 5.15 7.86 12.1 22.9 36.1 50.1 68 97.6
50 2.86 5.65 8.63 13.2 24.9 39.3 54.5 73 106
55 6.15 9.4 14.3 26.9 42.5 58.9 78 114
60 6.65 10.17 15.4 28.9 45.7 63.4 84 122
65 10.94 16.5 31 48.9 67.8 90 130
70 11.71 17.6 33 52.1 71.3 96 138
75 12.48 18.7 35 55.3 75.75 102 146
80 13.25 19.8 37 58.5 80.2 108 154
90 14.79 22 41 64.9 89.1 120 170
100 16.33 14.2 45 71.2 98 132 186
110 26.4 49 77.6 107 144 202
120 28.6 53 84 116 156 218
130 30.8 57 90.4 125 168 234
140 33 61 96.8 134 180 250
150 35.2 65 103.2 143 192 266
160 109.6 152 204 282
170 116 161 216 298
180 122.4 170 228 314
190 129 179 240 330
200 135 188 252 346
220 206 276 378
240 224 300 410
260 242 324 442
280 260 348 474
300 278 372 506

DIN 912 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items
d thread size M20 M 22

M24

 M30 M36 M42 M48 M56 M64 M 72 M 80 M 90 M 100
nominal length l
20
25
30 128
35 139 211
40 150 224 270
45 161 237 285 500
50 172 250 300 527
55 183 263 316 554 870
60 194 276 330 581 910 1370
65 205 291 345 608 950 1420
70 216 306 363 635 990 1470 2040
80 241 336 399 690 1070 1580 2180 3340
90 266 366 435 745 1150 1680 2320 3530 5220
100 291 396 471 800 1230 1790 2460 3720 5470
110 316 426 507 855 1310 1890 2600 3920 5730
120 341 456 543 910 1390 2000 2740 4110 5980
130 366 486 579 965 1470 2100 2880 4300 6230
140 391 516 615 1020 1550 2210 3020 4490 6490
150 416 546 651 1080 1630 2320 3160 4680 6740
160 441 576 687 1130 1710 2420 3300 4880 6900
170 466 606 723 889 1790 2529 3445 5075 7075
180 491 636 759 1240 1870 2640 3590 5270 7250
190 516 666 795 977 1950 2750 3730 5460 7500
200 541 696 831 1350 2030 2860 3870 5650 7750 9950
220 591 756 903 1460 2190 3080 4150 6040 8250 10600
240 641 816 975 1570 2250 3300 4430 6420 8750 11300 14300
260 691 876 1047 1680 2410 3520 4710 6810 9260 11900 15100 19900 25700
280 741 936 1119 1790 2570 3740 4990 7200 9760 12600 15800 20900 26900
300 791 996 1191 1900 2730 3960 5270 7580 10300 13300 16600 21900 28200

Socket head screws with flange - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items
d thread size M 4 M 5

M 6

 M 8 M 10 M 12
10 1.48 3.07
12 1.64 3.32
16 1.96 3.82 6.21
20 2.60 4.38 6.99 14.66 25
25 3 5.15 8.05 16.2 27.5
30 3.41 5.92 8.76 18.1 30 42.8
35 3.82 6.69 10.37 20.1 32.5 46.5
40 4.23 7.46 11.46 22.1 35 50
45 4.64 8.23 12.56 24.1 38.2 53.6
50 5.05 9 13.66 26.1 41.4 58
60 5.55 10.54 15.86 30.1 47.8 66.9
70 34.1 54.2 74.8
80 38.1 60.6 83.7
90 42.1 67 92.6
100 46.1 73.3 101.5

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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