12mm Bore Aluminum Timing Pulley For 3D Printers With 3mm HTD Pitch, 26 Teeth, 15mm Wide Belt Groove, High Precision CNC Machined Lightweight Alloy, Includes Two Set Screws For Secure Shaft Mounting, HTD3M Compatible

Aluminum HTD3M Timing Pulley, 12mm Bore, 26 Teeth (Single)
✔️ 3mm HTD pitch, 26 teeth, 12mm bore, 15mm wide belt groove

This aluminum timing pulley is designed for HTD3M 3mm pitch belts and is a go-to drive component for 3D printers, CNC machines, and lightweight automation. Featuring a 12mm bore and 15mm width, it delivers dependable belt engagement and smooth torque transfer. The pulley uses two set screws to secure firmly to standard stepper shafts.

✅ 26 teeth HTD3M 3mm pitch timing pulley for reliable belt drive
✅ 12mm bore with two set screws for secure shaft mounting
✅ 15mm wide belt groove supports wider HTD belts
✅ Aluminum construction delivers lightweight strength and precision
✅ Single unit, ready for immediate installation

💡 What is a timing pulley used for? - Handy for keeping belt motion synchronized in drive systems - Great for 3D printers, CNCs, and hobby automation - Works with HTD3M 3mm pitch belts for reliable torque - Reduces belt slip and misalignment in belt-drive setups