... 3)Mild steel & 45C 4)Productivity: 800 tons per Hexagon nuts,nuts,fastener: 1)Standards: DIN934 & ANSI B18.2.2 & JIS ... dip galvanizing, blackening6) Made by hot forging DIN934 Hexagon Nuts Thread sizeM2M3M4M5M6M8M10M12M16Pitch0.40.50.70.811.251.51.752m1.62.43 ... .017.668.7911.0514.3818.921.126.75s45.5781013171924 Thread sizeM20M24M30M36M42M48M56,,,,Pitch2.533.544.555.5,,,,m16192429343845,,,,e32.9539. ...