Aluminum Single Groove Pulley 41x16x6mm With 6mm Bore For 3 To 5mm PU Round Belts Ideal For DIY Drilling Machines Small Milling Rigs And Hobby Projects Lightweight Durable Belt Drive Solution

Aluminum 41x16x6mm single groove pulley for 6mm shaft
✔️ 41 mm dia, 16 mm thick, 6 mm bore; fits 3-5 mm PU belts

Made from lightweight aluminum, this single groove pulley drives 3-5 mm PU round belts in compact setups. It's a common choice for DIY drilling machines, small milling rigs, and hobby spindles where a slim, reliable belt drive is key. The 6 mm bore fits standard shafts and the side boss includes an M4 hole for secure 90-degree mounting.

✅ Groove type: single-step groove designed for 3-5 mm PU round belts
✅ Dimensions: 41 mm diameter, 16 mm thickness, 6 mm bore
✅ Mounting: side boss with metric M4 hole at 90 degrees
✅ Use: ideal for DIY drilling/milling spindles and small machine tools

💡 What is a single groove belt pulley used for in small DIY machines? Handy belt-drive part for compact motion transfer. - Helps drive belts in drills, mills, and hobby spindles - Keeps belt path simple and reliable in tight spaces - Ideal with 3-5 mm PU round belts for light to medium loads - Mounts on 6 mm shafts using the side M4 hole for alignment