4 Pack 20mm SBR20 Linear Rail Stop Collars Aluminum Alloy Shaft Limit Fixing Rings For CNC Machines And 20mm Motion Shafts Anti Collision Block Stopper DIY Tooling For Precision Guide Rails And Stable Positioning

4 Pack 20mm SBR20 Aluminum Rail Stop Collars for CNC
✔️ 4 pcs SBR20 aluminum shaft collars, 20mm fit, Velcro included

This 4-pack is made of aluminum alloy and is designed to fix and position 20mm shafts in CNC machines and DIY tooling. Widely used for precision guide rails and stable positioning in mechanical setups, it attaches securely with screws and a wrench.

✅ 4 x SBR20 rail collars (20mm shaft diameter)
✅ Aluminum alloy body with anodized finish for durability
✅ Screws carbon steel, rust-resistant
✅ Fully engages shaft for secure positioning
✅ Self-adhesive Velcro included for quick setup
✅ Easy install: slide on and tighten with a wrench

💡 What is a shaft collar used for in precision CNC setups?

This handy accessory fixes and locates components on 20mm shafts in CNC and DIY tooling. - shaft fixing and precise positioning on 20mm shafts - works with SBR20 linear guide systems and aluminum collars - quick, tool-assisted installation with minimal setup ✝️