Perkins 4008 - Torque Specifications (Continued); General Torque Guidance

TORQUE SETTINGS
14 4006/8 Diesel, May 1998
GENERAL TORQUE LOADINGS
The following torque loadings are general for metric coarse threads for grade 8.8 steel and
do not supersede the figures quotes above.
Thread size (mm) lbf.ft Nm
81825
10 35 50
General Note:
M10-12.9 steel 50 70
These are based to BS 3692.