Beefed Up SBR12 500mm Linear Rail Kit With 2 Rails And 4 SBR12UU Blocks For Smooth Sliding And Tight Precision Perfect For CNC 3D Printing Robotics Or Any Electronic Equipment Guide Bar Setup

Premium 500 mm SBR12 Linear Rail Kit with 2 rails
✔️ Includes 2 rails (500 mm / 19.6 in) and 4 SBR12UU blocks kit

This kit pairs two 500 mm SBR12 rails with four SBR12UU blocks for smooth, precise motion in CNC routers, 3D printers, robotics, and other precision equipment. Made from carbon steel with chrome-plated bearings and aluminum housing, it combines durability with easy mounting via pre-drilled holes.

✅ 2 x SBR12 rail shafts, 500 mm long (19.6 in) each
✅ 4 x SBR12UU bearing blocks with aluminum housing
✅ Carbon steel rails and bearing steel linear bearings for durability
✅ Chrome plating for rust resistance; hardness up to HRC62
✅ Aluminum support with pre-drilled mounting holes for easy installation

💡 What is a linear rail kit used for in automation and hobby CNC builds?

Handy for guiding precise motion in machines like CNC routers, 3D printers, laser cutters, and robotics.

- smooth, precise motion with low friction - easy installation with pre-drilled holes and modular blocks - durable chrome plating and hardened bearings for long life ✝️