0-14 TIGHTENING TORQUE TABLE Class Diameter mm Pitch mm Specified torque Hexagon head bolt Hexagon flange bolt N⋅m kgf-cm ft-lbf N⋅m kgf-cm ft-lbf 4T 6 8 10 12 14 16 1.0 1.25 1.25 1.25 1.5 1.5 5.4 13 25 47 75 113 55 130 260 480 760 1150 48 in-lbf 9 19 35 55 83 5.9 14 28 53 83 ⎯ 60 145 290 540 850 ⎯ 52 in-lbf 10 21 39 61 ⎯ 5T 6 8 10 12 14 16 1.0 1.25 1.25 1.25 1.5 1.5 6.4 16 32 59 91 137 65 160 330 600 930 1400 56 in-lbf 12 24 43 67 101 7.5 18 36 65 100 157 75 175 360 670 1050 1600 65 in-lbf 13 26 48 76 116 6T 6 8 10 12 14 16 1.0 1.25 1.25 1.25 1.5 1.5 7.8 19 38 72 110 170 80 195 400 730 1100 1750 69 in-lbf 14 29 53 80 127 8.8 21 43 79 123 191 90 215 440 810 1250 1950 78 in-lbf 16 32 59 90 141 7T 6 8 10 12 14 16 1.0 1.25 1.25 1.25 1.5 1.5 11 25 52 95 147 226 110 260 530 970 1500 2300 8 19 38 70 108 166 12 28 58 103 167 ⎯ 120 290 590 1050 1700 ⎯ 9 21 43 76 123 ⎯ 8T 6 8 10 12 14 16 1.0 1.25 1.25 1.25 1.5 1.5 12 29 61 108 172 265 125 300 620 1100 1750 2700 9 22 45 80 127 195 14 32 68 123 196 299 145 330 690 1250 2000 3050 9 24 50 90 145 221