Square washer 1)Standard:DIN,ANSI,BS,JIS,GB 2)Size ... 3)Material:Steel,Stainless steel 4)Finish:Zinc,Black,etc. Square washerPicture NameSquare washerHS code73182100Materialcarbon steel, mild steel, stainless steel, Brass ... -dip galvanizing, black, dacrometSizeM3-M100Non-standard PartsAvailableWorking Processcold punching, machining, CNC machinePackingless than 25kgs bulk into carton, then on pallet or ...