CNC Machining Parts, Metal Stamping, Casting Parts manufacturer / supplier in China, offering Spring Nut M6 M8 M10 M12 Strut Channel Spring T Slot Nut, Prevailing Torque Type Hexagon Hex Thin Nuts with Non-Metallic Insert DIN 985, DIN985 Hex Nylon Insert Nut Self Lock Nut DIN 985 Carbon Steel 4.8 8.8 10.9 12.9 M3 M4 M5 M6 M8 Zinc Black Plain Galvanize and so on.