Brass Spring Washer 1)Size: M1.2-M64,0#-3" 2) Material: RoHS ... ,ISO,ANSI(IFI),etc Products Information: 1Product:Bolt, Nut, Screw, Washer, Nails, Rivet, Insert, Brass fitting,Threaded rod, etc.2Matrrial: ... .12.9 steel3Standard :GB, DIN, BS, ASTM, ISO, ANSI(IFI), JIS, or as customer's drawing4Size:M3-M64 , 1/8-3 ... trust our product quality.Other Products: environmental brass external teeth lock washer