Pro Grade SBR40UU 40mm Linear Rail Kit Featuring 2X 1700mm Steel Rails Paired With 4X Open Aluminum Bearing Blocks Engineered For CNC Router And DIY Woodworking Projects No Ball Drop Design Ensures Rock Solid Smooth Travel Every Time.
✔️ 2x 1700mm Steel Tracks Paired With 4x Aluminum Sliders
You need reliable guidance for moving cutters and tools across your workshop floor. This rail assembly delivers steady sliding performance for CNC routers, DIY wood milling, and heavy duty fabrication rigs. You get a complete setup ready to mount on your existing frame without hunting for extra hardware.
✅ 1700mm (66.9in) carbon steel tracks feature chrome plating to resist rust and handle shop debris✅ Four 40mm (1.57in) open aluminum blocks use durable engineering plastic runners instead of loose metal balls
✅ Upgraded pressure bar design locks the slider tight so heavy cutting loads do not cause wobble
✅ Maintenance free construction stays smooth through moisture and fine sawdust without lubrication
💡 What makes a direct mounted linear slide unit handy for demanding fabrication projects?
You get steady tracking without complicated adjustments during active machining sessions.
* Plastic composite sliders trap dust and moisture away from the core contact zone
* Hardened chromed tracks maintain straight travel paths even after years of heavy cycling
* Open block frames accept rapid installation onto custom gantry brackets without special adapters
* Balanced runner geometry reduces friction so your spindle moves freely under full torque