18mm To 18mm Aluminum Shaft Coupling Flexible Joint For Servo And Stepper Motors, 66x40mm Size, M6 Thread, Built Tough High Torque Linkage, Lightweight Durable Oxidized Finish, Easy Install

Single 18mm to 18mm Aluminum Shaft Coupling for Servo Motors
✔️ 66x40mm overall, 18mm bore, M6 thread, high torque unit

This aluminum shaft coupling connects a servo or stepper motor shaft to another shaft while absorbing vibration and misalignment. It's a rigid yet flexible linkage ideal for CNC machines, robotics, and automation projects.

✅ Shaft usage: 18 mm to 18 mm (0.71" to 0.71"), fits 18 mm shaft
✅ Overall size: 66x40 mm (2.6" x 1.57"), compact
✅ Max speed: 13000 rpm, suits high speed motors
✅ Thread size: M6, for easy installation
✅ Max torque: 64 N.m, rated torque 32 N.m
✅ Material: Aluminum alloy with oxidized finish, wear resistant
✅ Applications: CNC machinery, servo motors, spindle, and stepper drives

💡 What is a shaft coupling used for in CNC and servo projects?

It is a handy way to join shafts while dampening vibration and absorbing misalignment.
- transfers torque while absorbing misalignment
- protects motors and bearings from shocks
- lightweight aluminum with oxidized finish for durability