1pcs Long Rigid Coupling Bore 4/5/6/6.35/7/8/10mm 45# Steel Motor Shaft Connecting Connection Coupler for 3D Printers Motor

Product Name: Long Rigid Coupling Material: 45# Steel Bore: 4/5/6/6.35/7/8/10mm Outer diameter:14/16mm Length：35mm Dimension description：For example 4-4mm(OD14xL35mm) indicates a 4mm bore diameter on one end and a 4mm bore diameter on the other, with an outer diameter of 14mm and a length of 35mm; (the side holes use M4 screws)

This rigid coupling features a 90-degree fastening design, secured by eight pcs machine screws! The bore diameter tolerance is 0.05 mm (please consider carefully if you have high requirements). It features a through-hole design, with each of the two bore lengths occupying half of the coupling!

Each coupling comes with 8 M4 screws, and every order includes a tightening wrench! (Only one wrench is supplied per order)

Widely applicable in motors, hardware, moulds and mechanical transmission applications.