83
English
17.2. Torque chart
Bolt head according to DIN 931, 912
Strength
Thread
8.8
10.9
Normal thread
M4 3.0
4.4
M5 5.9
8.7
M6 10
15
M8 25
36
M10 49
72
M12 85
125
M14 135
200
M16 210
310
M18 300
430
M20 425
610
M22 580
820
M24 730
1050
M27 1100
1550
M30 1450
2100
Fine thread
M8 x 1
27
35
M10 x 1.25
52
69
M12 x 1.5
89
130
M14 x 1.5
145
215
M16 x 1.5
225
330
M18 x 1.5
340
485
M20 x 1.5
475
680
M22 x 1.5
630
900
M24 x 2
800
1150
M27 x 2
1150
1650
M30 x 2
1650
2350
(friction factor μ = 0.14)
Summary of Contents for Prof 6
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