ISO 4161 flange nut manufacturer supplier

ISO 4161 flange nut manufacturer supplier     1.Products Details Available Material:   (Environmental protection)
1. Stainless Steel: SS201, SS303, SS304, SS316, SS410, etc 2. Steel: C45(K1045), C46(K1046), C20, etc 3. Carbon Steel: CH1T, ML08AL, 1010, 1035, 1045, etc 4. Alloy Steel: 10B21, 35ACR, 40ACR, 40Cr, 35CrMn, etc 5. Aluminum or Aluminum Alloy: Al6061, Al6063, etc Grade: 4, 5, 6, 8, 9, 10, 12 Surface Treatment: Zinc plated, Nickel plated, Passivation, Oxidation, Anodization, 
Geomet, Dacromet, Black Oxide, Phosphatizing, Powder Coating and Electrophoresis, etc Standard: ISO, DIN, ANSI, JIS, BS,EN, GB, KEB and Non-standard. Certificate: GB/T19001-2008/ISO9001:2008 It can match ROHS,SGS and environment protection Products Range: Dia: 5-20mm or as your request Manufacture Process: RawMaterial/QC/Heading/Thread/HeatTreatment/Surface Treatment/QC Inspection/Sorting and Packing/Shipping Sample Service: Samples for standard fasteners are all in free,except the express charge. Lead Time: 15-30 days after order confirmed or as the order quantity. After-sales Service: We will follow up every customer and solve all your problems satisfied after sales     2. The fasteners' producing: 3.Various Surface Finishings: 4.The other available nuts: hex nut, square nuts, lock nuts,heavy nuts, born nuts etc     5. Ours Warehouses and Stock       We promise will like to suppy the super quality and reasonable price to all customers from all of the worlds.Just please contact us to request details or quotation.