TIGHTENING TORQUES (1) Special Tightening Torques For " * " marked screws, bolts and nuts on under table, apply engine oil to their threads and seats before tightening.
General Tightening Torques
Screw and bolt material grades are shown by numbers punched on the screw and bolt heads.
Prior to tightening, be sure to check out the numbers as shown below.
None or 4 : Standard grade
7 : Special grade
Nominal Diameter
Standard Grade
Special Grade
M6
7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs
7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs
M8
7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs
7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs
M10
7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs
7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs
M12
7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs
7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs
