Hex nut,nut,stainless nut, 1, Standard also available: DIN439,DIN936,IFI HEX D-6, D12,ISO 4032 2, Sizes:M6 up to M56.. Hex nuts din934 ,nut , hexagon nut , standard: din934 hex nutssurface: plain, zinc, blackclass:4, 6,8,10material: mild carbon steelpacking: 25kgs bulk packing or small packingaccording to customers' requirment. hex nuts , din934 hex nuts, nuts,hexagon nuts