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 ... , machining, CNC machinePackingless than 25kgs bulk into carton, then on pallet or small box + carton + palletPortShanghai/NingboMOQ100,000pcs per size or ...