Aluminum V Belt Pulley 40mm Outer Diameter 4mm Fixed Bore Single Groove Drive Wheel For Motor Shaft Fits 1 To 3 Mm Shafts And PU Round Belts Built Tough Lightweight Corrosion Resistant

Compact Aluminum V-Belt Pulley: 40mm OD, 4mm Bore, 1pc
✔️ 40 x 4 mm outer/inner dia, aluminum alloy, silver finish

This aluminum V-belt pulley is a single-piece drive wheel designed for 1 to 3 mm shafts and PU round belts. Lightweight, corrosion-resistant, and easy to install, it's ideal for DIY projects, small drilling or milling machines, gym equipment maintenance, and power transmission across automotive, industrial, and agricultural settings.

✅ Material: Aluminum Alloy
✅ Size: Outer 40 mm x Inner 4 mm (OD x ID) / 1.57 x 0.16 in
✅ Slot Width: 3.5 mm / 0.14 in
✅ Height: 17.8 mm / 0.7 in
✅ Quantity: 1 PCS
✅ Color: Silver

💡 What is a lightweight aluminum V-belt pulley used for in small-scale DIY machines? A quick explanation: - It serves as a compact drive wheel to transfer torque from a motor to a belt - It fits 1 to 3 mm shafts and works with PU round belts for smooth motion - Made from corrosion-resistant aluminum alloy for durability in tough environments - Ideal for DIY projects, small drills, and milling machines