About the product:
The shaft Coupler is mainly used to connect the motor shaft, to realize the normal operation of the machine, Suitable for 3D printers, model cars, model boats, hardware, mechanical drive situations, etc.

Good Choice for you:
1. Made of high-strength aluminum alloy with an integrated structure, it is maintenance-free, oil-proof, and corrosion resistance.
2. Top tight type rigid coupling, high torque with rigidity, low inertia, and excellent sensitivity.
3.No rotation gap and elastic action can make up for symmetrical angular misalignment.

Specification:
Connection Bore Diameter: 3mm to 6mm
Total Length: 20mm /0.79 inch
Outside Diameter : 12mm/ 0.47 inch
Through Angle: 180 Degree
Material: Aluminum Alloy
Color: Red
Screws Size: M4*4mm (D*L)
Package Content:
4 x Rigid Shaft Couplers
16 x M4 Screws

Easy to install:
Select the appropriate size according to your needs, remove the old shaft connector from the motor shaft, and then install the new shaft connector on the motor shaft.

Tips: Please confirm the correct size before ordering