Bolt, Nut, CNC Machining Parts manufacturer / supplier in China, offering Hex Wrench Allen Wrench Hexagon Socket Plum Blossom Stainless Steel Passivating High Strength Corrosion Resistance, Hexagon Connecting Shaft Customized Shaft Three Hex Socket Conical Head Screws High Strength, Hollow Cylinder Connecting Shaft Internal Thread Hexagon Shaft Multiduty for Machine Accessories and so on.