T M 9 - 6 1 1 6 - 6 6 9 - 1 3 & P
A P P E N D I X G
T O R Q U E
L I M I T S
G.1 BOLTS.
Bolt alloy: K18-8(A4)-70, DIN 931/933, in lengths up to 8 x nominal thread diameter (d) at room temperature,
strength class 70 (normal), work-hardened.
N O T E
Coefficient of friction µ = 0.16
G.2 STUDS.
Stud alloy: AlMg 3
Coarse pitch thread
M5
M6
M8
M10
M12
M14
M16
M18
M20
M22
M24
M27
M30
Tightening torque,
ft-lb (Nm)
3.5 (4.7)
6 (8.2)
14.5 (19.6)
28.8 (39)
49.4 (67)
78.2 (106)
119.5 (162)
166 (225)
233 (316)
174 (236)
224 (304)
327 (443)
446 (605)
Coarse pitch thread
Tightening torque,
ft-lb (Nm)
M3
0.6 (0.8)
M 4
1.5 (2.0)
M5
2.6 (3.5)
G - 1 / G - 2 b l a n k