Specified Torque For Standard Bolts

SPECIFIED TORQUE FOR STANDARD BOLTS

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 1.25 1.25 1.25 1.5 1.5	5 12.5 26 47 74 115	55 130 260 480 760 1,150	48 in.lbf 9 19 35 55 83	6 14 29 53 84 -	60 145 290 540 850 -	52 in.lbf 10 21 39 61 -
5T	6 8 10 12 14 16	1 1.25 1.25 1.25 1.5 1.5	6.5 15.5 32 59 91 140	65 160 330 600 930 1,400	56 in.lbf 12 24 43 67 101	7.5 17.5 36 65 100 -	75 175 360 670 1,050 -	65 in.lbf 13 26 48 76 -
6T	6 8 10 12 14 16	1 1.25 1.25 1.25 1.5 1.5	8 19 39 71 110 170	80 195 400 730 1,100 1,750	69 in.lbf 14 29 53 80 127	9 21 44 80 125 -	90 210 440 810 1,250 -	78 in.lbf 15 32 59 90 -
7T	6 8 10 12 14 16	1 1.25 1.25 1.25 1.5 1.5	10.5 25 52 95 145 230	110 260 530 970 1,500 2,300	8 19 38 70 108 166	12 28 58 105 165 -	120 290 590 1,050 1,700 -	9 21 43 76 123 -
8T	8 10 12	1.25 1.25 1.25	29 61 110	300 620 1,100	22 45 80	33 68 120	330 690 1,250	24 50 90
9T	8 10 12	1.25 1.25 1.25	34 70 125	340 710 1,300	25 51 94	37 78 140	380 790 1,450	27 57 105
10T	8 10 12	1.25 1.25 1.25	38 78 140	390 800 1,450	28 58 105	42 88 155	430 890 1,600	31 64 116
11T	8 10 12	1.25 1.25 1.25	42 87 155	430 890 1,600	31 64 116	47 97 175	480 990 1,800	35 72 130