... Conical Washer 1):We could supply many kind of standard washer and non-standard washer 2:)Material:SS,Copper,Carbon steel ... DFModel Number: DIN,ANSI,GB.JIS,BSMaterial: Carbon steel ,stainless steelPackaging & DeliveryPackaging Detail:plastic bag + ... Screws and Fasteners Brand NameDFOriginal of PlaceSuZhou ChinaMaterialCarbon steel ,stainless steel,brassStandardstandard fasteners (GB, DIN, ANSI,JIS ...