Linear Rail Kit SBR20 300mm Two Piece Fully Supported Rails With Four SBR20UU Blocks Four Retaining Rings And Mounting Hardware For DIY CNC Routers Lathes Mills And Automated Machines

Two-Piece SBR20 300mm Linear Rail Kit for CNC
✔️ Includes 2 rails, 4 blocks, 4 rings, screws, handle, wrench

This linear rail kit provides dual SBR20 rails and bearing blocks for precise linear motion in CNC routers, lathes, mills, and automation systems. It’s designed for DIY projects, prototypes, and small to mid-size machines where rigidity and smooth travel matter.

✅ Model No.: SBR20-300
✅ Length: 300 mm (11.81 in)
✅ Diameter: 20 mm (0.79 in)
✅ Material: Aluminum; corrosion-resistant and lightweight
✅ Includes: 2 x SBR20-300 rails, 4 x SBR20UU blocks, 4 x retaining rings, 16 x screws, 1 x handle, 1 x wrench

💡 What is a linear rail kit used for in CNC machines? Handy overview for makers.

It provides precise, smooth motion and rigid support for accurate part production.

• Provides controlled linear movement along X, Y, and Z axes using sealed ball bearings.
• Improves positioning accuracy and repeatability for milling and routing tasks.
• Easily installed on DIY CNC setups with pre-drilled aluminum rails and standard mounting hardware.
• Durable, rust-resistant components ensure long life in industrial and workshop environments.