STANDARD BOLT AND NUT TIGHTEN ING TORQUES 1 . How to judge tightening torque of a standard bolt. Find out the type of the bolt from the list below. Then, find the bolt tightening torque from the table. 2. How to judge tighting torque of a standard unit. The nut tightening torque can be judged from the bolt type. (See the item above.) How to judge tightening torque of a standard bolt or nut. LIST OF BOLT TYPES AND STRENGTH 1 . Judging by part 2. Judging by part No. Hexagon head bolt Parts No, I 91611 - do625 (rnrn) Diameter Length ( m m ) Diameter Parts No.
( r n m ) Diameter ~ e n ~ t h ( m m ) Diameter 1 Shape and class Class Hexagon head bolt @ Bolt head No* Hexagon flange bolt No mark Two protruding lines Hexagon head bolt Hexagon flange bolt @ l;') protruding