4mm Bore 16mm OD Single Groove Aluminum V Belt Pulley Kit With Hex Wrench For Motor Shafts Drilling Machines 2 Pack 4mm PU Round Belts Silver Ideal For Small DIY Projects And CNC Tools

4mm Bore Aluminum V-Belt Pulley Kit for Small CNC Machines
✔️ 4 mm bore, 16 mm OD, single groove aluminum pulley, 2 pack

These single groove pulleys are crafted from aluminum alloy for lightweight strength and corrosion resistance. They’re commonly used on small motors, micro spindles, CNC machines, drilling and milling tools, and any compact belt-drive setup that uses 4 mm PU round belts.

✅ Aperture diameter: 4 mm / 0.16 in
✅ Outer diameter: 16 mm / 0.63 in
✅ Groove width: 5 mm / 0.2 in
✅ Height: 12 mm / 0.47 in
✅ Material: aluminum alloy
✅ Applicable belts: 4 mm PU round belt
✅ Package: 2 pulleys + 2 hex wrenches

💡 What is a 4mm bore aluminum V-belt pulley kit used for in DIY CNC machines and small motors? This handy accessory provides a compact drive solution for belt-driven axes. - 4 mm bore fits standard motor shafts - 16 mm OD single groove for 4 mm PU round belts - Aluminum alloy body offers light weight and corrosion resistance - Includes hex wrenches for quick on-site installation

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