4 Pack Shaft Collars Bore 20mm Aluminum Alloy One Piece Clamp On Style with 40mm Outer Diameter and 12mm Thick M5 Set Screws Included for Rock Solid Built Tough Shaft Positioning and Quick Easy Assembly

Clamp-On Aluminum Shaft Collars, 20mm Bore, 4-Pack
✔️ 4 pcs, clamp-on, bore 20mm, OD 40mm, 12mm thick, M5 screws

This 4-pack of clamp-on shaft collars is made from lightweight aluminum alloy with an oxidized finish for corrosion resistance. Designed for quick installation, these collars secure components on 20 mm shafts and provide reliable axial positioning in machinery and automation setups.

✅ Bore: 20 mm
✅ Outer diameter: 40 mm
✅ Thickness: 12 mm
✅ Material: Aluminum alloy with corrosion-resistant finish
✅ Clamp-on style with secure bolts and M5 set screws
✅ Pack: 4 pieces

💡 What is a shaft collar used for in mechanical assemblies and how does a clamp-on aluminum version help with quick setup?

Shaft collars position components on a shaft and create a repeatable stop. - Locks components to a shaft to maintain precise positioning - Clamp-on design enables fast installation without shaft damage - Useful for securing pulleys, gears, and stops on a shaft ✝️