Fastener, Nuts, Wheel Hub Bolt manufacturer / supplier in China, offering DIN439 Thin Nuts Hexagon Nuts M30 M33 M36 M39 M42 M48 M52 M56 M60 M64 M68 M72 Jam Nuts, Yellow Zinc Blue Ring DIN982 DIN985 ISO 10512 ISO10511 ISO 7040 Class 10 M22 Nylon Insert Nuts, Carbon Steel Turned Parts Black Zinc Weld Nuts CNC Parts and so on.