Page 277 - HAZET英文2021

Torque Technology Torque Technology

Tightening torque for DIN 912 screws
according to strength classes for coarse thread

Dimension Wrench size Insert tools Pre-loading force (kN) Tightening torque (Nm)
Strength class
Strength class
8.8
6.8
4.6
5.6
10.9
8.8
10.9
12.9
6.8
4.6
5.6
M 2 x 0,40 4 – – – 0,338 0,422 0,675 0,901 1,267 12.9 0,13 0,163 0,261 0,348 0,489 0,587
1,52
M 3 x 0,50 5,5 – – – 0,845 1,056 1,689 2,253 3,168 3,801 0,48 0,6 0,961 1,281 1,801 2,161
M 4 x 0,70 7 9x12 – – 1,463 1,829 2,927 3,902 5,487 6,585 1,115 1,393 2,229 2,972 4,18 5,016
M 5 x 0,80 8 9x12 – – 2,395 2,994 4,79 6,387 8,982 10,778 2,261 2,827 4,523 6,03 8,48 10,176
M 6 x 1,00 10 9x12 – – 3,379 4,224 6,758 9,011 12,671 15,205 3,843 4,803 7,685 10,247 14,41 17,292
M 8 x 1,25 13 9x12 14x18 – 6,202 7,753 12,404 16,539 23,258 27,909 9,349 11,686 18,698 24,931 35,059 42,07
M 10 x 1,50 17 9x12 14x18 – 9,876 12,345 19,752 26,336 37,034 44,441 18,54 23,18 37,09 49,45 69,54 83,44
M 12 x 1,75 19 9x12 14x18 – 14,4 18 28,801 38,401 54,001 64,801 32,37 40,46 64,74 86,32 121,38 145,66
M 14 x 2,00 22 – 14x18 – 19,775 24,719 39,551 52,734 74,158 88,989 51,77 64,71 103,54 138,06 194,14 232,97
M 16 x 2,00 24 – 14x18 – 27,221 34,027 54,443 72,591 102,08 122,497 80,62 100,77 161,24 214,98 302,32 362,78
M 18 x 2,50 27 – 14x18 – 33,078 41,347 66,155 88,207 124,041 148,85 111,09 138,86 222,17 296,23 416,58 499,89
M 20 x 2,50 30 – 14x18 – 42,534 53,167 85,067 113,423 159,501 191,401 157,46 196,82 314,91 419,88 590,46 708,55
M 22 x 2,50 32 – 14x18 21/26 53,175 66,469 106,35 141,8 199,406 239,288 215,1 268,9 430,2 573,7 806,7 968
M 24 x 3,00 36 – 14x18 21/26 61,248 76,56 122,497 163,329 229,681 275,617 272,1 340,1 544,2 725,6 1020,3 1224,4
M 27 x 3,00 41 – 14x18 21/26 80,67 100,837 161,339 215,119 302,512 363,014 399,9 499,9 799,9 1066,5 1499,7 1799,7
M 30 x 3,50 46 – – 21/26 98,027 122,533 196,054 261,405 367,6 441,12 541,7 677,2 1083,4 1444,6 2031,5 2437,7
M 33 x 3,50 50 – – – 122,241 152,801 244,482 325,976 458,404 550,084 738,5 923,2 1477,1 1969,4 2769,5 3323,4
M 36 x 4,00 55 – – – 143,413 179,266 286,826 382,434 537,798 645,358 948 1185 1896 2528 3555 4265,9
M 39 x 4,00 60 – – – 172,42 215,525 344,839 459,786 646,574 775,888 1229 1536 2457 3276 4607 5529
M 42 x 4,50 65 – – – 197,407 246,758 394,813 526,417 740,275 888,329 1519 1899 3038 4050 5696 6835
M 45 x 4,50 70 – – – 231,206 289,007 462,412 616,549 867,022 1040,426 1898 2373 3796 5062 7118 8541
M 48 x 5,00 75 – – – 280,008 325,01 520,015 693,354 975,029 1170,035 2282 2853 4565 6086 8559 10271
M 52 x 5,00 80 – – – 312,056 390,07 624,112 832,149 1170,209 1404,251 2954 3692 5907 7876 11076 13292
M 56 x 5,50 85 – – – 359,843 449,804 719,689 959,581 1349,411 1619,293 3672 4591 7345 9793 13772 16526
M 60 x 5,50 90 – – – 420,651 525,813 841,301 1121,735 1577,44 1892,928 4582 5728 9164 12219 17183 20619
M 64 x 6,00 95 – – – 475,86 594,825 951,72 1268,96 1784,476 2141,371 5536 6920 11071 14762 20759 24911
M 68 x 6,00 100 – – – 545,427 681,784 1090,855 1454,473 2045,353 2454,423 6720 8400 13440 17919 25199 30239

Tightening torque for DIN 912 screws
according to strength classes for fine pitch thread

Dimension Wrench size Insert tools Pre-loading force (kN) Tightening torque (Nm)
Strength class
Strength class
12.9
8.8
6.8
5.6
12.9
4.6
10.9
10.9
5.6
4.6
8.8
6.8
M 8 x 1,00 13 9x12 14x18 – 6,805 8,507 13,611 18,148 25,52 30,624 10,08 12,6 20,15 26,87 37,79 45,35
M 10 x 1,25 17 9x12 14x18 – 11,418 14,272 22,835 30,447 42,816 51,379 20,83 26,04 41,66 55,55 78,11 93,73
M 12 x 1,50 19 9x12 14x18 – 15,312 19,14 30,624 40,832 57,42 68,904 34,01 42,51 68,02 90,69 127,54 153,05
M 14 x 1,50 22 – 14x18 – 21,934 27,418 43,868 58,491 82,253 98,703 56,25 70,32 112,51 150,01 210,96 253,15
M 16 x 1,50 24 – 14x18 – 29,741 37,177 59,483 79,31 111,53 133,836 86,5 108,12 172,99 230,66 324,36 389,23
M 18 x 1,50 27 – 14x18 – 38,733 48,417 77,467 103,289 145,25 174,3 125,95 157,44 251,91 335,88 472,33 566,8
M 20 x 1,50 30 – 14x18 – 48,91 61,138 97,82 130,427 183,413 220,096 175,9 219,8 351,7 468,9 659,4 791,3
M 22 x 1,50 32 – 14x18 21/26 60,272 75,34 120,543 160,724 226,019 271,223 237,4 296,8 474,8 633,1 890,3 890,3
M 24 x 2,00 36 – 14x18 21/26 72,818 91,022 145,635 194,18 273,066 327,68 311,8 389,8 623,7 831,6 1169,4 1403,3
The specified tightening torques are guide values
All information subject to change
276 Valid until December 31, 2021 Components and spare parts from page 482 to 490