Rigid Shaft Coupling 5/8 Bore, 1-1/4 OD, 2 Inch Length, Black Oxide Steel, Set Screw Coupler With Hex Wrench for 3D Printers and Stepper Motors, Includes Four Screws

Rigid 5/8 Bore Shaft Coupling for 1-1/4 OD, 2 in Length
✔️ 5/8 bore (15.88 mm), 1-1/4 OD (31.75 mm), 2 in long

This rigid, set-screw shaft coupling is designed to connect two shafts and efficiently transmit torque in compact drive systems. It’s ideal for 3D printers, stepper motors, and small CNC machines.

✅ Bore: 5/8 in; OD: 1-1/4 in; Length: 2 in; Material: carbon steel with black oxide coating
✅ Finish: black oxide coating for corrosion resistance
✅ Includes hex wrench and four screws for quick mounting
✅ Set-screw clamp provides firm, precise shaft connection

💡 What is a rigid shaft coupling used for in motor drive systems?

A handy explanation: it locks two shafts together to transmit torque with minimal play. - Handy for securing torque transmission in small drive setups - Helps align shafts in stepper motors and 3D printers - Simple set-screw design enables easy installation with basic tools - Carbon steel with black oxide coating offers durability and corrosion resistance