Spliced SBR20 Linear Rail Kit 3000mm For DIY CNC Routers Lathes Mills With 8 SBR20UU Carriage Blocks 4 Dowels 16 Screws 1 Handle And 1 Wrench Heavy Duty Precision Linear Guide System

3m SBR20 Linear Rail Kit for DIY CNC Routers and Mills
✔️ 4x 1500mm rails, 8x SBR20UU, 4 dowels, 16 screws

This heavy-duty linear rail kit is a complete linear slide unit built for DIY CNC routers, lathes, and mills. It pairs SBR20 rails with industrial-grade carriages for precise, repeatable motion across long spans.

✅ Total length 3000mm assembled from two 1500mm rails using dowels
✅ 8x SBR20UU carriages for smooth, precise motion
✅ Pre-drilled aluminum support rail for easy mounting
✅ Chrome-plated carbon steel rails resist rust and wear
✅ Includes 4 dowels and 16 mounting screws for quick setup
✅ Suitable for engraving, woodworking, printing, and general machinery

💡 What is a SBR20 linear rail kit used for in CNC machines?

It’s a handy upgrade that adds precise, predictable motion to hobbyist and light-industrial CNC setups.

- Provides precise linear guidance for X- and Y-axes
- Supports higher loads with rigid mounting for improved machining
- Quick installation with pre-drilled holes and included hardware
- Durable chrome-plated rails resist rust and wear over time