
Fully Supported 12mm Linear Rail Guide Set With SBR12 Shaft And 4 SBR12UU Ball Bearing Blocks For CNC Machines 350mm Length Rock Solid Precision And Smooth Motion
Fully Supported 12mm Linear Rail Guide Set With SBR12 Shaft And 4 SBR12UU Ball Bearing Blocks For CNC Machines 350mm Length Rock Solid Precision And Smooth Motion
The Story
✔️ 350mm rail with four SBR12UU blocks for smooth CNC motion
This fully supported 12mm linear rail guide set includes a 350mm rail and four SBR12UU bearing blocks, designed for CNC machines, 3D printers, and automation that demand precise, low-friction linear movement.
✅ Rail length: 350 mm (13.78 in)✅ Rail diameter: 12 mm (0.47 in)
✅ Blocks: 4 x SBR12UU bearing blocks
✅ Material and finish: high-precision steel with tight straightness and surface finish
✅ Maintenance: low maintenance with sealed ball bearing design
💡 What is a 12mm linear rail guide set used for in CNC projects? This handy kit helps achieve precise, straight motion and reliable performance across various machines.
- Handy for CNC routers, 3D printers, laser cutters- Reduces backlash and improves repeatability on axis moves
- Works with standard 12mm rails and SBR12UU blocks for easy upgrades
- Ideal for compact, rigid axis assemblies in hobby and light industrial setups

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
✔️ 350mm rail with four SBR12UU blocks for smooth CNC motion
This fully supported 12mm linear rail guide set includes a 350mm rail and four SBR12UU bearing blocks, designed for CNC machines, 3D printers, and automation that demand precise, low-friction linear movement.
✅ Rail length: 350 mm (13.78 in)✅ Rail diameter: 12 mm (0.47 in)
✅ Blocks: 4 x SBR12UU bearing blocks
✅ Material and finish: high-precision steel with tight straightness and surface finish
✅ Maintenance: low maintenance with sealed ball bearing design
💡 What is a 12mm linear rail guide set used for in CNC projects? This handy kit helps achieve precise, straight motion and reliable performance across various machines.
- Handy for CNC routers, 3D printers, laser cutters- Reduces backlash and improves repeatability on axis moves
- Works with standard 12mm rails and SBR12UU blocks for easy upgrades
- Ideal for compact, rigid axis assemblies in hobby and light industrial setups























