Aibecy Rigid Shaft Coupling 5mm To 8mm Bore L23xD18 Shaft Coupler Connector for 3D Printer

Features: Rigid shaft coupling, compatible with 3D printer, CNC machine, stepper motor, etc. 5mm to 8mm bore, total length 25mm, outside diameter 14mm. Made of high quality aluminum alloy, durable and wear resistant. High torque with rigidity, low intertia and excellent sensitivity. Compatible with NEMA 17 stepper motors(for 5mm shaft diameter).

Specifications: Color: Silver Material: Aluminum Alloy Quantity: 1pc 2pcs 3pcs Bore Diameter: 5mm to 8mm Outside Diameter: 18mm Length: 23mm Item Weight(each): 18.5g 0.7oz Packing List: 1PCS /2PCS /3PCS OPTION* Rigid Coupling