GB3632 Torshear Type High Strength Blot/Black 12.9s Grade High Strength Round Head Bolts/Dhg 10.9 Steel Structure Bolt/GB3632 Black Steel Structure Bolt
2025-04-13 introduction 2470
M16 M20 M24
High Strength Steel
Round Head
Hinged Bolts
Round
DIN, ANSI, GB, JIS, BSW, GOST
12.9
Machinery, Chemical Industry, Environmental, Building