Overview Quick Details Product name: retaining washer Color:  as your request Application: General Industry, Building Construction Model Number: OEM Finish: Zinc Certification:   ISO9001/TS16949 Material:    Steel/Iron Size: Accept Customized Process: stamping Place of Origin: China Ningbo Supply Ability Supply Ability： 30000  Piece/Pieces per Month Packaging & Delivery Packaging Details： inner is plastic bag, outer is carton, or custom as per your requirement Port： Shanghai/Ningbo  China Lead Time :  Depending on the number of products        External Retaining Washer factory price ，RETAINING WASHER   Product Description   vailable Material: 1.Iron 2.Steel:C45(K1045), C46(K1046),C20 3.Carbon Steel 4.Alloy Steel 5.Aluminum or Aluminum Alloy Grade: 4.8, 8.8, 10.9, 12.9. Surface Treatment: Zinc-plating, Geomet, Dacromet, Black Oxide, Phosphatizing, Powder Coating and Electrophoresis. Standard: ISO, DIN, ANSI, JIS, BS and Non-standard. Certificate: GB/T19001-2008/ISO9001:2008 Products Range: Dia: 3-100mm   Max Length: 220mm Manufacture Process: RawMaterial/QC/Heading/Thread/HeatTreatment/Surface Treatment/QC Inspection/Sorting and Packing/Shipping Sample Service: Samples for standard stainless steel fasteners are all in free. Lead Time: 7-15 days after order confirmed Warranty: We confirm we provide the products will satisfied your request 100%,and we can give 12 months warranty. After-sales Service: We will follow up every customer and solve all your problems satisfied after sales