Tightening Torque Indication

TIGHTENING TORQUE INDICATION
The tightening torque shown is a basic value with a tolerance of ± 10% except the following cases when the upper and lower limits of tightening forque are given.
1. The tolerance of the basic value is within ± 10%.
2. Special bolts or the like are in use.
3. Special tightening methods are used.