Size:M3-M64 ,1/8-3' Standard:GB,DIN,ISO finish code: ZIPL, NIPL Material: brass,copper, bronze Economic price, ... , Brass, Stainless steel, Aluminum, Grade.12.9 steel3Standard :GB, DIN, BS, ASTM, ISO, ANSI(IFI), JIS, or as customer's drawing4Size:M3 ... supplier, so you can trust our product quality.Other Products: DIN,BS,ASTM,JIS Standard nut