Rail Mgn12h 300mms of 2025
Best Choice1
iMetrxIMETRX MGN12H 300mm Premium Linear Rail Guide 2pcs MGN12 Linear Slide 8mm for 3D Printer and CNC Machine Upgrade (2pcs/Pack)
Main highlights- Package Include: MGN12H 300MM Linear Rail Guide *2PCS
- MGN12H Linear Slide 300MM Note: Please use M3 T nut and screw to fix the linear rail for 20 series EU Al-profile.
- Linear Rails 300MM is widely used in industrial robots and CNC and other large
- IMETRX MGN12 Linear Rail Guide 300MM is made of heavy-duty bearing steel, which is more durable than other bearings, high stiffness, high precision, smooth running and low noise.
- Each MGN12 300MM is fully oiled and packed individually.
9.8Exceptional
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Value for Money2
SIMAX3DSIMAX3D [2pcs/Pack] SIMAX3D 3D Printer Part CNC Linear Rail MGN12H 300mm Miniature Linear Rail Slide core xy BLV Ender 3 hotend Printer kit
Main highlights- 【Wide Application】Applied in semiconductor manufacturing equipment, printed circuit boards, IC assembly equipment, medical equipment, robotic arms, precision measurement machine and other small linear motion device.
- 【Quality Assurance】Full body polishing of rail to increase surface smoothness. No resistance when the block works on the rail. Special design to prevent block beads missing. Made of low friction coefficients bearing steel.Rail is fully oiled.
- 【Product Parameter】300mm MGN12H Rail Guide(including 12 Holes), MGN12C Linear Guide Slider Block. Suggest to use M3 T nut and screws if fixing it to 20 series EU Al-profile.
- 【High Compatibility】Even the place of installation is not very smooth, the rail can work smoothly because the beads in the block is able to accept a little smoothness deviation. 78 beads is used on the block to highly improve the load capacity of rail. Able to satisfy most user needs.
- 【100% QUALITY ASSURANCE】1-Year Warranty, if you are not satisfied with the product, please contact us in time, we will solve your problem within 24 hours and provide a 1-year warranty.
9.7Exceptional
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3
HOCPKOT300mm MGN12 Linear Rail Guide with MGN12H Stainless Steel Black Carriage Block for DIY 3D Printer and Machines(Type H,300 mm)
Main highlights- There are 2 rubber stoppers on the ends of the rail in case of the block falling off the rail.
- Mgn12h Rail Guide Bearing steel Rail Length: 300mm (11.81"). Block material: Stainless Steel.
- MGN12H ball bearing carriage. Blocks are pre-loaded.Come with some spare steel balls in the package for backup.
- 1 pcs MGN12 300mm linear rail + 1 pcs MGN12h Blocks
9.5Excellent
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4
CreabygirlsMGN12 300mm Linear Rail Guide with MGN12H Carriage Block for 3D Printer and CNC Machine (H-Type, 300mm)
Main highlights- Wide Application: Application to CNC parts, 3d printer parts, semiconductor manufacturing equipment, printed circuit boards, IC assembly equipment, medical equipment, robot arms, and other small linear motion machines, linear motion measurement equipment.
- Service: If you have any questions about our linear rails and sliding block, please feel free to contact us.
- MGN12H Linear Rail Kits: This linear rail guide set includes 1 piece 11.8 in / 300 mm MGN12 linear rail guide and 1 piece MGN12H sliding block. Sliding block is used cooperatively with rails, smooth sliding provided by the inside linear bearing.
- High-Quality Steel Material: CNC parts MGN12 linear rails are made of bearing steel, move smoothly without deflection high accuracy minimal wear and low noise. Professional and technical steel rails and blocks for low-friction bearings, long-lasting and long-lasting.
- Easy to Install: The slider has been pre-installed, with a pre-drilled linear guide. Threaded hole of the carriage blocks: 4-M3 x 3.5.
9.4Excellent
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5
SIMAX3DSIMAX3D MGN12H 300mm Linear Rail Guide 2pcs MGN12 300mm Linear Slide 8mm for 3D Printer and CNC Machine Upgrade
Main highlights- SIMAX3D MGN12 Linear Rail Guide 300MM is made of heavy-duty bearing steel, which is more durable than other bearings, high stiffness, high precision, smooth running and low noise.
- Package Include: MGN12H 300MM Linear Rail Guide *2PCS
- MGN12H Linear Slide 300MM Note: Please use M3 T nut and screw to fix the linear rail for 20 series EU Al-profile.
- Linear Rails 300MM is widely used in industrial robots and CNC and other large
- Each MGN12 300MM is fully oiled and packed individually.
9.2Excellent
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6
KGTCNKGTCN Linear Rail Guide MGN12H 300mm Length Miniature Linear Sliding Guideway with 1PCS Linear Sliding Block for CNC Machine and 3D Printer
Main highlights- 【Not bent, smooth surface】: Each MGN12 linear guide rail is fully oiled and individually wrapped. Sliding Blocks are pre-loaded.
- 【Multi-using】: Small size, lightweight, fits most automated equipment. Widely used for CNC parts, 3D printers, semiconductor manufacturing equipment, printed circuit boards, IC assembly equipment, medical equipment, robot arms, and precision measurement machines.
- 【Industry standard MGN12H block】: Featuring a high-precision linear bearing inside, standardized processing, and ideal for positioning the guide rail.
- 【High quality materials】: Linear rail guide made of bearing steel. Ensures durability, high hardness, rigidity, smoothness, low noise.
- 【Easy installation】: The MGN12 linear rail is a support rail made of steel with pre-drilled holes, allowing you to set up your linear motion system quickly and effortlessly.
9.1Excellent
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7
ANWOKITANWOK MGN12 300mm Linear Guide Rail Linear Motion Products with 1PCS MGN12H Sliding Blocks for 3D Printer and CNC Machine (H-Type)
Main highlights- Use: Linear guides are suitable for large transmission equipment, including industrial robots, biscuit machines,etc
- Recommendation: Please use M3 T nut and screw to fix the linear rail for 20 series EU Al-profile
- Material: Made of low friction coefficient bearing steel, durable. with a pre-drilled linear guide
- Detail:There are two rubber stoppers on each side of the linear rail, it can prevent the carriage block from falling out
- Convenient: This linear rail and block are small in size and lightweight, especially suitable for small equipments
9.0Excellent
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8
uxcelluxcell 2pcs MGN12 300mm Linear Guide Rail with 2pcs MGN12H Sliding Carriage Block Bearing Steel and 2pcs Plastic Mini MGN12 Linear Guide for DIY 3D Printers and CNC Machine, Black
Main highlights- Wide Application: This linear guide rail system is great for 3D printers and CNC machines, providing accurate and reliable linear motion, and is also suitable for various applications, including precision printing, engraving, milling, and other tasks requiring controlled movement.
- Specification: 2pcs x 300mm linear rail,2pcs x MGN12H carriage block suitable for 12mm rail, 2pcs mini linear guide suitable for MGN12H carriage block, is designed for use in 3D printers and CNC machines.
- Material: The linear guide rail and the carriage block are made from bearing steel material, and the mini linear guide is made of plastic material, to ensure stability and smooth operation.
- Install Method: First, install the mini linear guide on the slider, place the slider parallel to the guide rail, and then gently push the slider into the guide rail. After the slide into the guide rail, the installation is successful without dropping the steel ball.
- Advantage: The linear guide rail has a limit block at both ends, which can play the role of collision protection; The MGN12H sliding carriage block can provide precise linear motion control for 3D printers and CNC machine tools, minimizing vibration, ensuring smooth motion and reducing equipment wear; Plastic mini linear guide to assist installation, do not let the ball fall off, suitable for MGN12H slide block.
8.8Very Good
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9
uxcelluxcell MGN12 300mm Linear Guide Rail with MGN12H Sliding Carriage Block Bearing Steel and Plastic Mini MGN12 Linear Guide for DIY 3D Printers and CNC Machine, Black
Main highlights- Wide Application: This linear guide rail system is great for 3D printers and CNC machines, providing accurate and reliable linear motion, and is also suitable for various applications, including precision printing, engraving, milling, and other tasks requiring controlled movement.
- Specification: 1pcs x 300mm linear rail,1pcs x MGN12H carriage block suitable for 12mm rail, 1pcs mini linear guide suitable for MGN12H carriage block, is designed for use in 3D printers and CNC machines.
- Material: The linear guide rail and the carriage block are made from bearing steel material, and the mini linear guide is made of plastic material, to ensure stability and smooth operation.
- Install Method: First, install the mini linear guide on the slider, place the slider parallel to the guide rail, and then gently push the slider into the guide rail. After the slide into the guide rail, the installation is successful without dropping the steel ball.
- Advantage: The linear guide rail has a limit block at both ends, which can play the role of collision protection; The MGN12H sliding carriage block can provide precise linear motion control for 3D printers and CNC machine tools, minimizing vibration, ensuring smooth motion and reducing equipment wear; Plastic mini linear guide to assist installation, do not let the ball fall off, suitable for MGN12H slide block.
8.7Very Good
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10
NUIBBYEDMGN12H 300mm Linear Rail 11.81'' with MGN12H Steel Carriage Block for DIY 3D Printer and Machines
Main highlights- The linear guide are small size and light weight,especially suitable for miniaturized equipment,such as routers,3D printers and plasma cutters etc.
- Suggested to use M3 T nut and screws if you fix it to 20 series EU Al-profile.There are two rubber stoppers on each side of the linear rail to prevent the sliding block from falling out.
- Rail Guide Material: Heavy-duty bearing steel,which is more durability,high stiffness stiffness,high accuracy,smooth running,low noise than others.
- MGN12H Carriage Block Material: Stainless Steel.Blocks are pre-loaded.
- 1 x 300mm/11.81" Linear Rail,1x MGN12H Carriage Blocks.Linear Guide Rail adpots blackening treatment on surface to prevent rusting in long-term use.
8.6Very Good
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