8mm Fixed Bore Aluminum Pulley, 20mm OD, 1pc (Single)
✔️ Bore 8mm, OD 20mm, groove 7mm, height 15mm; fits 5-6mm PU belts
This fixed-bore aluminum single groove pulley is designed for compact belt drives and is commonly used on motors, micro spindles, small milling machines, and other light-duty machine tools to transmit motion with accuracy.
✅ Aperture diameter: 8mm / 0.31 in
✅ Outer diameter: 20mm / 0.79 in
✅ Groove width: 7mm / 0.28 in
✅ Height: 15mm / 0.59 in
✅ Applicable belts: 5-6mm / 0.20-0.24 in PU round belts
✅ Material: Aluminium alloy, corrosion-resistant
✅ Packing: 1x pulley + hex wrench
💡 What is a fixed-bore pulley used for? A handy belt drive component for compact machinery.
- Easy to install with the included hex wrench
- Maintains precise belt alignment to reduce slip and noise
- Compatible with 5-6mm PU round belts for small drives
- Common in motors, micro spindles, drills, and small milling machines
