STANDARD BOLT TIGHTENING TORQUE

STANDARD BOLT TIGHTENING TORQUE
Bolt Size mm	Pitch mm	Bolt Hex mm	Strength Grade (N-m)
Bolt Size mm	Pitch mm	Bolt Hex mm	4.6	6.8	8.8	10.9	12.9
3	0.5	5.5	0.51	1.01	1.35	1.90	2.27
4	0.7	7	0.95	1.91	2.54	3.57	4.29
5	0.8	8	2.28	4.56	6.09	8.56	10.3
6	1.0	10	3.92	7.85	10.5	14.7	17.7
8	1.25	13	9.48	18.9	25.3	35.5	42.7
10	1.5	17	19.1	38.1	50.9	71.5	86.8
12	1.75	19	32.6	65.1	86.9	122	146
14	2.0	22	51.9	104	139	195	234
16	2.0	24	79.9	160	213	299	359
18	2.5	27	110	220	293	413	495
20	2.5	30	156	312	416	585	702
22	2.5	32	211	422	563	792	950
24	3.0	36	270	539	719	1010	1213
27	3.0	41	398	795	1060	1490	1789
30	3.5	46	540	1080	1440	2025	2430