Bolt, Nut, CNC Machining Parts manufacturer / supplier in China, offering 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, DIN/ANSI/BS/JIS Shaft Passivating Customized Connecting Shaft High Strength Stainless Steel Shaft for Hardware Accessories and so on.