Aluminum single groove pulley with 31mm diameter and 5mm bore provides a compact, reliable belt drive for 3-5mm PU round belts in small DIY machines like hobby mills and light spindle rigs, ensuring smooth operation and easy 5mm spindle mounting
✔️ 31mm dia, 5mm bore, 15mm thick, for 3-5mm PU round belt
This aluminum single groove pulley is built for compact drives in DIY machines like small drilling rigs, hobby mills, and other light spindle setups. It slides over a 5mm spindle and is secured with two grub screws to prevent slip when under tension.
✅ Material: aluminum
✅ Groove: single groove, matches 3-5mm PU belt
✅ Diameter: 31mm
✅ Bore: 5mm
✅ Thickness: 15mm
✅ Belt compatibility: 3-5mm PU round belt
✅ Mounting: two grub screws on 5mm spindle prevent slippage
✅ Typical use: DIY drilling/milling machines, small unpowered spindles
💡 What is an aluminum single groove pulley used for in small machine setups? This handy piece helps transfer motion in compact belt drives for small DIY machines. - It transfers torque to 3-5mm PU round belts in tight spaces - It mounts on a 5mm spindle using two grub screws to prevent slip - It’s ideal for DIY drilling and milling machines and low-power spindles