WM005 10-20-27TCGCAB(G)-EN Revision 1 Feb 2020
29
TORQUE SETTINGS
Nuts and Bolts
If the tank is required to be dismantled and re-assembled the tank nuts
and bolts used are required to be torqued, torque settings are shown in
the table below.
Metric Torque Specifications
Size
Typical Maximum Tightening Torque
Nm
(lb ft)
Property Class
Grade 8.8
Grade 10.9
M8
30
(21)
40
(30)
M10
55
(42)
75
(60)
M12
100
(74)
135
(106)
Torque figures indicated above are valid for lightly oiled threads.
Therefore, do not grease or oil bolts or cap screws unless otherwise
specified.
Torque value for bolts and cap screws are identified by their head markings
(property class).
