... DIN933,IFI C-6,C-10,DIN558,601,ISO4014,BS,DIN7990, DIN6914,etc and also available in stainless, brass DIN931 Carbon Hex Cap ... . 6, ISO management. 7, Also available in DIN933,IFI C-6,C-10,DIN558,601,ISO4014,4017,BS BOLTS,DIN7990, DIN6914, ASTM ...