350mm MGN12 Linear Rail Guide With Black MGN12H Carriage Block For 3D Printers And CNC Machines, Smooth Precision Motion, Red Rubber End Stoppers, 14 Mount Holes On Rail For Easy Mounting, M3 Threaded Carriage Holes

350mm MGN12 Linear Rail Guide with Black Carriage
✔️ 350mm rail, 14 mounting holes, M3 carriage, red stoppers, 2 spares

This 350mm MGN12 linear rail guide features a black MGN12H carriage for precise, smooth motion. It's commonly used to guide printer beds, gantries, and CNC axes in 3D printers and CNC machines.

✅ Rail length: 350mm (13.78in) with 14 mounting holes for easy frame mounting
✅ Carriage: Black MGN12H with 4-M3x3.5 threaded holes, 20x20mm (0.79x0.79in) spacing
✅ End stoppers: 2 red rubber stoppers prevent carriage derailment
✅ Spare parts: includes 2 spare balls for backup

💡 What is a 350mm MGN12 linear rail guide used for in CNC machines and 3D printers?

Handy, precise guidance for moving gantries, beds, or tooling heads. - Provides smooth, repeatable motion under load - Reduces friction and wear for longer service life - Works with standard mounting hardware and EU profiles