Single Groove Belt Pulley 12mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Pulley for 6mm PU Round Belts with Hex Wrench Included, High Strength, Corrosion Resistant, Durable Belt Drive Component

Single Groove Pulley: 12mm Bore, 50mm OD Aluminum, 1 pc
✔️ 12mm fixed bore, 50mm OD aluminum alloy pulley, 1 piece

This single groove pulley is designed from aluminum alloy with a 12 mm bore and 50 mm outer diameter, suited for 6 mm PU round belts. It’s ideal for motors, micro spindles, and model transmission systems where belt alignment and smooth operation matter.

✅ Aperture diameter: 12 mm / 0.47 in
✅ Outer diameter: 50 mm / 1.97 in
✅ Material: aluminum alloy, corrosion-resistant
✅ Groove design aligns belt and pulley for reduced wear and smoother transmission
✅ Easy installation with belt mounting; includes hex wrench

💡 What is a common belt pulley used for in general motion control projects? This handy piece helps convert motor rotation into smooth belt-driven motion in compact layouts.
- efficient belt drive for small machines
- sturdy aluminum body for durability
- compatible with 6 mm belts for easy integration
- quick mount with included hex wrench