Hex bolt,DIN931,DIN6914,DIN558 DIN601 DIN960 DIN961 DIN7990
Diameter:M6~M64 Material:carbon steel,alloy steel,stainless steel
Greade :12.9, 10.9, 8.8, 6.8, 4.8
Surface treatment :plain,black oxygenation ,zinc plated ,hot dipped galvanised...
MOQ:one ton per each type
We produce hex bolt with the good price and high quality

