Street Address: Industrial Ave. 2598, Anhui Xinwu Economic Development Zone
City: Wuhu
Province: Anhui
Country/Region: China
Thread Size:4mm
Material:Carbon Steel
Tensile stength:8-12.9Mpa
Length:5-220mm
Surface treatment:Dacromet
Standard:ISO
Chery Automobile
The series products are mainly used in the connection area BTW automotive wheel and tire, its function is used to connect and fasten the tire and the hub. The type of fasteners are the key part in the vehicle chassis. We can supply all kinds of wheel nut and bolts, such as spherical wheel nut, cone surface wheel nuts, flange spherical wheel bolts, flange cone wheel nuts, flange supporting plane wheel nuts,flange wheel nuts with washer, welding type wheel nuts. We can produce standard and non-standard fasteners according to clients drawings, samples and demands. The strength class: 8-12 Specifications:M4-M20MM Processing materials: 20MnVB20MnTiB15MnVBSCr440. Daily Output: 120000PCS for racking plating, 40tons for barrel plating per day. Surface Treatment: We have advanced full automatic barrel and rack plating line, and handle the below three type of surface treatment for the wheel nuts: 1) Multi-layer Nickel and Chromium Passivation i.e Semi-bright Nickel + High Sulphur + Full-bright Nickel + Microporous Nickel+Chromium Passivation), resistance to Cass test: 48h for welding) and 72h for integral, its protection class reach 9. 2) Zinc Plating: NSS resistance: 120h no white corrosion, 240h no red corrosion. 3) Zinc Aluminum Coating, 720h no red corrosion products, etc.. All surface treatments are in compliance with the requirements of ELV or ROHS.