Hexagonal Head Structural Bolts DIN 7990
The Tightening torques are calculated to induce approximately stresses as detailed below:
The tightening torques of lubricated finished is 75% of the values stated unlubricated finish.
Metric Series Dimensions:
|Hexagon Hex Nuts ASTM A194/A194M|
|Hexagon Socket Head Cap Screws DIN 912|
|Heavy Hexagon Nuts ASTM A563, A, B, C, D, DH,DH3|