11
Examples of general tightening torque
A typical male has an arm strength
of 200N, so if the tightening tool
handle’s length is 10cm, the torque
will be 20N
m.
(2000.1=20N
m)
Maximum tightening torque of screwdriver [N
m]
Phillips screwdriver
(made by VESSEL
Right
hand only
Left
hand only
Both
hands
No.1 bit
2.5 2.3 2.8
No.2 bit
3.6 3.0 3.9
No.3 bit
4.2 3.9 5.7
1. Hold the screwdriver horizontally, and rotate in the tightening
direction.
2. This is an example for a male having a right arm strength of 500N
and left arm strength of 450N.