... standard washer 2:)Material:SS,Cope Conical Stainless Steel Cup Washer Quick Details Place of Origin: SuZhou China ... (Mainland)Brand Name: DFModel Number: DIN,ANSI,GB.JIS,BSMaterial: Carbon steel ,stainless steel Packaging & Delivery ... Brand NameDFOriginal of PlaceSuZhou ChinaMaterialCarbon steel ,stainless steel,brassStandardstandard fasteners (GB, DIN, ANSI,JIS AND ) and non-standard. , ...