5PCS 3D Printers Stepper Motor Aluminium Alloy Wheel Coupler Shaft Rigid Coupling 5*8mm

Features: Fixed coupler is used to connect a stepper servo AC DC motor to a ball screw or screw. Widely used in hardware, mold and mechanical transmission. Used to build CNC routers, CNC plasmas, CNC milling machines, CNC lasers and many automated machines. Connect two shafts of different diameters, or connect the motor shaft. The outer Diameter is 14mm and the internal connection Diameter is 5mm x 8mm. Made of aluminum alloy material, it is sturdy and durable. Specifications: Material: Aluminum Alloy Color: Blue Outer diameter: approx. 14mm 0.55inch; Internal: approx. 5 * 8mm 0.2 * 0.31inch Total length: approx. 25mm 0.98inch Top thread size: M4 Through angle: 180 degrees Package list: 5 * Aluminium Alloy Coupling.