V Groove Pulleys for Width Belts Function and compatibility These aluminum pulleys are designed for PU round belts and are available in outer diameter (OD) sizes from 20 mm to 80 mm. They are grooved to fit belts that are 6 mm wide, providing reliable engagement in belt drive systems. Material and precision Made from aluminum alloy and CNC machined for smooth transmission and accuracy. The precise machining enhances performance and durability in demanding setups. Installation and security Supplied with fixing grub screws for easy and secure installation. The CNC machined fit ensures a stable, slipresistant connection during operation. Benefits and why you need them Optimized groove for 6 mm wide belts delivers consistent belt alignment and reliable drive. The combination of lightweight aluminum, precise machining, and a secure fit supports improved efficiency and reduced maintenance. Use scenarios Compact 3D printer belt drive using a 6 mm wide PU belt for precise axis motion. Small CNC machine or gantry system requiring accurate belt engagement with 6 mm wide belts. Robotic or automation assemblies where a compact, reliable belt drive with 6 mm wide PU belts is needed.