Product Name Torsion shear Steel Structure Bolt
Standardï¼? GB/T3632
Size M16-M30
Length 50-250mm
Grade 8.8S, 10.9S, 12.9S
Material 20MnTiB /35VBï¼?
Surface Treatment Oxid blackening
Package Cartons & bags on pallets
Application Bridge building, railway laying, ship