Tightening Torque

Standard Bolt And Nut Tightening Torque:

Flange Bolt And Nut Tightening Torque:

Each torque value in the table is a standard value for tightening under the following conditions.
1. Bolts, nuts and washers are all made of steel and plated with zinc.
2. The threads and bearing surface of bolts and nuts are all in dry condition.

The values in the table are not applicable:
1. If toothed washers are inserted.
2. If plastic parts are fastened.
3. If bolts are tightened to. plastic or die-cast inserted nuts.
4. If self-tapping screws or self-locking nuts are used.