8 Pack Aluminum Linear Rail Stop Collars For SBR20 20mm Shafts 40mm Outer Diameter 12mm Thick Anodized Aluminum Alloy Corrosion Resistant CNC Parts Tool That Fully Engages The Shaft

Aluminum SBR20 Rail Stop Collars - 8-Pack, 40x12mm Anodized
✔️ Inner 20mm, outer 40mm, 12mm thick, anodized aluminum collar

This eight-pack of aluminum rail stop collars is designed for SBR20 linear rails. Made from durable aluminium alloy with a natural anodized finish, these clamps secure and align shafts for precise motion in CNC machines, engraving equipment, and other precision setups.

✅ 8 pcs per pack
✅ Inner dia 20mm, outer dia 40mm, thickness 12mm
✅ Material: aluminium alloy with natural anodized finish
✅ Clamp-on design with set screw to prevent shaft damage
✅ Fully engages shaft on SBR20 rails for precise positioning

💡 What is a rail stop collar used for in linear rail systems? This handy clamp-on part fixes and positions shafts for accurate motion in CNC and automation setups.
- Keeps shafts aligned on SBR20 rails for precise motion
- Clamp-on with set screw prevents shaft slippage and damage
- Made of aluminium alloy with corrosion-resistant anodized finish
- Ideal for engraving machines, precision modules, and automated feeders