Bolt standard available in DIN933,IFI C-6,C-10,DIN558, ... available in stainless, brass DIN931 Carbon Hex Cap Screws and Bolt:1, Over 15years manufacturer and export experience; 2, Cooperate with ... ,C-10,DIN558,601,ISO4014,4017,BS BOLTS,DIN7990, DIN6914, ASTM A325, IFI E-34 and also available in stainless and ...