Heavy Hex Bolt, Carbon Steel Heavy Hex Bolt, ASTM A307 Grade B Heavy Hex Bolt

Material: Carbon steel
Surface: Plain, oiled, black oxide, zinc plating (blue/white, yellow, black, zinc Cr3) and HDG
Diameter: 1/2 to 2-1/2 inches, M6~M64
Length: Up to 48 inches, 1200mm
Grade: ASTM A307 grade A, Class4.6~6.8
Steel grade: Q235
Process: Cold or hot forging
Customized thread lengths are accepted
Standards: IFI and ASME B18.2.1 1996, DIN931
Packing: Carton and pallet