MGN12H 300MM Linear Guide Rail Black

Product Description :

The MGN12H 300mm Miniature Linear Guide Rail with Carriage Block is a high-precision motion component designed for 3D printer frames (X, Y, Z axis), CNC machines, and compact automation systems. With a 12mm wide rail and a high-load H-type carriage block, it ensures stable, accurate, and smooth motion while minimizing friction and vibration.

Manufactured from hardened steel with a corrosion-resistant finish, this rail system provides long service life, excellent rigidity, and consistent performance under demanding conditions. Its compact design makes it suitable for applications requiring precision and reliability in small spaces.

Beyond 3D printing, the MGN12H is widely used in semiconductor manufacturing equipment, PCB assembly, IC packaging, medical devices, robotic arms, and precision measurement instruments, making it a versatile choice for DIY makers and professionals alike.

Key Features

• Model: MGN12H

• Length: 300mm rail

• Carriage type: H-type block (high load capacity)

• Rail width: 12mm

• Material: Hardened steel, precision ground

• Smooth, low-friction linear motion

• High rigidity and durability

Package Includes

• 1 × MGN12 Linear guide rail (300mm)

• 1 × MGN12H carriage block

Applications

• 3D printers (X, Y, Z axis motion)

• CNC machines and engravers

• Robotics and automation projects

• Semiconductor and PCB assembly equipment

• Medical and precision measuring instruments

The MGN12H 300mm linear guide rail and block set delivers precise, reliable, and long-lasting motion, making it ideal for 3D printing, CNC, robotics, and industrial automation.