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Bolt torque database
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What Torque for M7 Bolt?

Quick-reference torque values for M7 bolts across all property classes. Values shown for dry/plain steel, coarse thread. Click any card for full details including all surface conditions.

Class 4.6
6.8
N·m
5.0 ft·lbs
Class 4.8
9.4
N·m
6.9 ft·lbs
Class 5.6
8.5
N·m
6.3 ft·lbs
Class 5.8
11.5
N·m
8.5 ft·lbs
Class 6.8
13.3
N·m
9.8 ft·lbs
Class 8.8
17.6
N·m
13.0 ft·lbs
Class 9.8
19.7
N·m
14.5 ft·lbs
Class 10.9
25.2
N·m
18.6 ft·lbs
Class 12.9
29.4
N·m
21.7 ft·lbs

These values assume dry/plain steel (K = 0.20) and coarse thread. Oiled, zinc-plated, or lubricated bolts require different torque. See full details →