Four Piece Shaft Collar Set For Linear Rail SBR20 Clamp On 20mm Bore Shafts With M4 Fixing Screws All In One Shaft Stop Collar OD 40mm For Industrial And Automotive Projects

Four-Piece SBR20 20mm Shaft Collar Set with M4 Screws
✔️ 4 pcs, 20mm bore aluminum collars, OD40mm, width 12mm, M4 screws

These shaft collars are compact locking devices designed for SBR20 linear guides and other 20mm bore shaft applications. They provide axial positioning and solid support for CNC machines, automation setups, and automotive projects.

✅ Inner diameter: 20 mm
✅ Outer diameter: 40 mm
✅ Width: 12 mm
✅ Material: aluminum alloy
✅ Finish: silver
✅ Package: 4 x shaft collars
✅ Fixing screws: 4 x M4 screws included (one per collar)

💡 What is a shaft collar used for in 20 mm bore linear guide systems and how does this aluminum set improve alignment and stability?

These handy components lock and position parts on shafts during assembly, maintenance, and upgrades of CNC machines and automation gear.

• Secure axial position on a 20 mm bore shaft in linear guide setups
• Handy clamp-on design with M4 screws for quick adjustments
• Compatible with SBR20 rails and similar 20 mm shaft systems
• Lightweight aluminum alloy offers reliable strength without extra weight