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DIN 7999 Standard Dimensions for High strength hex. fit bolts with large width across flats for structural steel bolting - nuts and washers

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High strength hex. fit bolts with large width across flats for structural steel bolting - nuts and washers

This standard specifies high strength hexagon fit bolts with large with across flats. Fit bolts are intended for use in structural steel bolting (GVP bolting or SLP bolting). They may only be used togheter with hexagon nuts complying with Din 6915 and with washers complying with Din 6916, 6917 or 6918.

Dimensional Drawing and Technical Diagrams

1413_1856.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 7999 - Withdrawn
Publication date 1983
d1 thread size
 d
k
 s e min y
M12 13 8 21 22.78 6.5
M 16 17 10 27 29.56 7.5
M 20 21 13 34 37.29 8.5
M 22 23 14 36 39.55 8.5
M 24 25 15 41 45.2 10
M 27 28 17 46 50.85 10
M 30 31 19 50 55.37 11.5

Din 7999 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items
d thread size M 12 M 16 M 20 M 22 M 24 M 27 M 30
nominal length l
40 58
45 63 116
50 68 124
55 74 132
60 78 141
65 83 150 250
70 89 159 263 325
75 95 168 277 344 423
80 100 176 290 363 442 585
85 106 185 304 382 461 609 775
90 111 194 317 402 480 633 801
95 116 203 331 421 499 657 831
100 123 212 344 440 519 681 860
105 128 221 357 456 538 705 990
110 134 230 371 472 557 729 919
115 139 239 384 488 576 753 949
120 145 247 398 505 595 777 973
125 256 411 520 614 800 1000
130 265 424 536 632 823 1030
135 273 437 552 651 847 1060
140 282 451 568 670 871 1090
145 291 464 584 689 895 1120
150 300 478 601 708 919 1150
155 308 491 617 727 943 1180
160 317 505 633 747 968 1210
165 518 650 766 990 1240
170 532 666 785 1010 1270
175 546 682 804 1030 1300
180 560 698 824 1060 1330
185 714 842 1090 1360
190 730 861 1110 1390
195 746 880 1140 1420
200 763 900 1160 1450

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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