MGN9H Linear Rails Miniature Linear Guide Rail Without Block for 3D Printers, CNC, and Automation
MGN9H Linear Rails Miniature Linear Guide Rail Without Block for 3D Printers, CNC, and Automation
- MGN9H 9mm miniature linear guide rail is a compact, precision linear motion guideway designed for smooth, accurate travel in 3D printers, CNC routers, laser engravers, robotics, and automation equipment.
- Made from hardened stainless steel with an anti-rust / corrosion-resistant coating, this 9mm miniature linear rail delivers low friction, stable motion, and reliable performance for DIY and light-industrial applications.
- This listing includes the rail only (without carriage/block). Use it with a compatible MGN9H high-profile carriage (or MGN9C compact block, where applicable) to build accurate X/Y/Z axes, compact gantry systems, camera sliders, and electronics automation assemblies.
Specifications
- Model: MGN9H Linear Guide Rail with Carriage Block
- Rail Width: 9mm precision-ground miniature rail
- Carriage Type: MGN9H high-profile linear block (compatible with MGN9C compact block)
- Material: Hardened stainless steel with corrosion-resistant coating
- Dynamic Load Capacity: ~330 Newtons (varies with application)
- Static Load Capacity: ~500 Newtons
- Length Options: 300mm, 400mm, 500mm, 600mm
- Flatness Tolerance: ±0.01mm for precision motion control
- Mounting Holes: Pre-drilled, standard pitch for easy installation
- Coating: Anti-rust, wear-resistant, polished finish
- Weight: Lightweight for compact motion systems
- Design: Miniature, space-saving guide rail for small-scale machinery
- Applications: 3D printers, CNC routers, laser engravers, robotics, automation, and electronics assembly
Applications
- 3D printers (X/Y/Z axes)
- CNC routers & engraving machines
- Laser engravers and compact laser cutters
- Robotics and automation lines
- Pick-and-place and electronics/PCB assembly automation
- DIY CNC and maker motion projects
Usage
- Axis Motion: Mount on X, Y, or Z axes for precise and stable movement.
- Machine Upgrade: Replace traditional rods or bearings for better accuracy and reduced friction.
- Compact Systems: Perfect for small and portable machines.
- Quiet Operation: Designed for low-noise 3D printers and CNC systems.
- Industrial Automation: Supports smooth travel and high repeatability in automation equipment.
Package Includes
- 1 Piece of MGN9H Linear Rail without block








Excellent quality. Packaging was also good.