GENERAL / Tightening TORQUE CHART CAUTION: Use tools appropriate for the work to be done. The make-do tools or parts are dangerous. As the incorrect size tools are slipped or removed, personal injury may be caused. Bolt Types Tighten the nuts or bolts correctly to the torque specifications. As the different types and grades of bolt are used, use and tighten the correct bolts correctly when assembling the machine or components. SA-040 Specified Tightening Torque W1-2-2 Bolt Dia.
(mm) Hexagon Wrench Wrench Size mm M4GB-07-121 M4GB-07-122 M4GB-07-123 Target Value Allowable Value Target Value Allowable Value Target Value Allowable Value N⋅m kgf⋅cm N⋅m kgf⋅cm N⋅m kgf⋅cm N⋅m kgf⋅cm N⋅m kgf⋅cm N⋅m kgf⋅cm 4 1.15 11.7 0.92 to 1.38 9.4 to 14.1 3.06 31.2 2.45 to 3.67 25.0 to 37.4 4.49 45.8 3.60 to 5.39 36.7 to 55.0 7 5 2.36 24.1 1.89 to 2.82 19.3 to 28.8 6.30 64.2 5.03 to 7.55 51.3 to 77.0 9.24 94.2 7.40 to 11.1 75.5 to 113 8 6 4.98 40.6 3.20 to 4.79 32.6 to 48.8 10.6 108 8.50 to 12.7 86.7 to 130 15.6 159 12.6 to 18.7 128 to 191 10 8 9.81 100 7.84 to 11.7 79.9 to 119 26.1 266 20.9 to 31.0 213 to 319 38.3 391 30.7 to 46.0 313 to 469 13 10 19.5 199 15.6 to 23.4 159 to 239 52.1 531 41.6 to 62.5 424 to 638 76.5 780 61.2 to 91.8 624 to 936 17 12 34.2 349 27.5 to 41.1 280 to 419 91.2 930 73.1 to 109 745 to 1110 133 1360 108 to 161 1100 to 1640 19 14 55.0 561 43.9 to65.9 448 to 672 146 1490 117 to 177 1190 to 1800 216 2200 173 to 258 1760 to 2630 22 16 86.9 886 69.5 to 104 709 to 1060 232 2370 185 to 279 1890 to 2840 341 3480 272 to 409 2770 to 4170 24 18 118 1200 94.6 to 142 965 to 1450 315 3210 252 to 379 2570 to 3860 463 4720 370 to 555 3770 to 5660 27 20 171 1740 136 to204 1390 to 2080 452 4610 362 to 543 3690 to 5540 665 6780 534 to 797 5440 to 8130 30 22 234 2390 187 to252 1910 to 2570 624 6360 499 to 749 5090 to 7640 918 9360 734 to 1100 7480 to 11200 32 24 293 2990 234 to 352 2390 to 3590 782 7970 626 to 938 6380 to 9560 1150 11700 919 to 1380 9370 to 14100 36 27 436 4450 349 to 524 3560 to 5340 1160 11800 931 to 1400 9490 to 14300 1720 17500 1370 to 14000 to 20900 2050 41 30 588 6000 471 to 706 4800 to 7200 1570 16000 1260 to 1880 12800 to 19200 2300 23500 1840 to 277018800 to 28200 46 33 810 8260 648 to 972 6610 to 9910 2160 22000 1730 to 2590 17600 to 26400 3170 32300 2540 to 25900 to 38800 3810 50 36 1030 10500 828 to 1250 8440 to 12700 2770 28200 2210 to 3310 22500 to 33800 4060 41400 3240 to 33000 to 49600 4860 55 39 1350 13800 1080 to 1140 11000 to 11650 3600 36700 2880 to 4320 29400 to 44100 5290 53900 4240 to 43200 to 64800 6350 60