Rigid Shaft Coupler Set 12mm to 12mm, 4 Pieces, Stainless Steel Shaft Connectors With L22xD18 Bore, Precise and Sturdy Couplers for 3D Printers, Motors, Robots, RC Planes, and DIY Projects

12mm to 12mm rigid shaft coupler set for precise power
✔️ Stainless steel rigid couplers, 12mm bore to 12mm bore, L22xD18, 4 pcs

This stainless steel rigid shaft coupler set joins two straight 12mm shafts with a precise, rigid connection, typically used in 3D printers, stepper motors, robotics, and DIY projects.

✅ Material: stainless steel
✅ Bore size: 12mm to 12mm (0.472 in)
✅ Length: 22mm (0.87 in); OD: 18mm (0.71 in)
✅ Includes: 4 couplers, 16 screws, 1 wrench

💡 What is a rigid shaft coupler used for in mechanical systems?

Rigid shaft couplers join two straight shafts for a solid drive, enabling precise torque transmission in compact machinery. - transfers torque between aligned shafts - ideal for 12mm to 12mm shaft assemblies in 3D printers and robotics - stainless steel construction resists corrosion and wear ✝️