... .2-M64,0#-3'' 2)Material:brass, copper,bronze 3)Standard:GB,DIN,BS,ISO,ANSI(IFI) 4)Environmental Finish Products ... , Stainless steel, Aluminum, Grade.12.9 steel3Standard :GB, DIN, BS, ASTM, ISO, ANSI(IFI), JIS, or as customer's drawing4Size:M3 ... trust our product quality.Other Products: Hign quality environmental brass standard rivet