Weichai America Corp.
Revision: August 2019 28
0.125 (Galvanized) 0.14 (Bright)
Strength
Class
6.9 8.8 10.9 12.9 6.9 8.8 10.9 12.9
Bolt Specs Recommended Torque (N·m)
M4 2.3 2.7 3.8 4.6 2.4 2.9 4.1 4.9
M5 4.7 5.5 8.0 9.5 5.0 6.0 8.5 10
M6 8.0 9.5 13.0 16.0 8.5 10 14.0 17
M8 19 23 32 39 21 25 35 41
M10 39 46 64 77 41 49 69 83
M12 67 80 110 135 72 86 120 145
M14 105 125 180 215 115 135 190 230
M16 165 195 275 330 180 210 295 355
M18 225 270 390 455 245 290 405 485
M20 325 385 540 650 345 410 580 690
M22 435 510 720 870 465 550 780 930
M24 560 660 930 1100 600 710 1000 1200
M27 830 980 1400 1650 890 1050 1500 1800
M30 1100 1350 1850 2250 1200 1450 2000 2400
M8x1 21 25 35 42 23 27 38 45
M10x1.25 41 49 66 82 44 52 73 88
M12x1.25 74 88 125 150 80 95 135 155
M12x1.5 70 83 115 140 76 90 125 150
M14x1.5 115 140 195 235 125 150 210 250
M16x1.5 175 210 295 350 190 225 315 380
M18x1.5 255 305 425 510 275 325 460 550
M20x1.5 360 425 600 720 385 460 640 770
M22x1.5 480 570 800 960 520 610 860 1050
M24x1.5 610 720 1000 1200 650 780 1100 1300
M27x1.5 890 1050 1500 1800 970 1150 1600 1950
M30x1.5 1250 1450 2050 2500 1350 1600 2250 2700
Table 6
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