Six Pack Small V Groove Pulleys 3x12x4mm Aluminum Alloy Miniature Pulleys For Rail Track Linear Motion System Replacement Great For CNC Robotics DIY And Precision Sliding

Compact V-Groove Pulleys in a Six-Pack for Precise Motion
✔️ Aluminium alloy, 12mm wheel, 3mm bore, 4mm wide, 6 pcs

These miniature V groove pulleys are lightweight aluminum alloy wheels designed to guide smooth movement along rails. They’re ideal for CNC machines, 3D printers, sliding doors, drawers, and other compact linear motion projects.

✅ Wheel diameter: 12 mm (0.47 in)
✅ Inner bore: 3 mm (0.12 in)
✅ Groove width: 3 mm (0.12 in)
✅ Width: 4 mm (0.16 in)
✅ Material: Aluminium alloy
✅ Pack: 6 pcs

💡 What is a small V groove pulley used for in precision linear motion systems? This handy guide explains common uses and benefits. - Guides smooth, stable motion on rails for CNC, robotics, or DIY projects - Supports compact, lightweight setups with durable aluminum alloy - Easy installation on standard rails and track systems - Reduces wear and maintenance with sealed design