Pair Of MGN7 Miniature Linear Rail Guides 120mm 4.72in With MGN7C Carriage Blocks For 3D Printer And CNC Machine Parts DIY High Precision Linear Slide Rails Interchangeable With HIWIN
✔️ 2 x MGN7 rails (L=120mm/4.72in) + 2 x MGN7C carriages
These miniature linear rail guides pair with MGN7C carriages for high-precision motion in compact spaces. They’re ideal for 3D printers, small CNCs, and DIY automation projects where precise, smooth travel matters.
✅ Length: 120 mm (4.72 in) per rail✅ Carriage: MGN7C, HIWIN-compatible
✅ Material: bearing steel for durability
✅ Accuracy: class C for tight tolerances
✅ Includes 2 rails + 2 carriages; custom lengths available on request
💡 What is a linear rail guide used for in precision motion systems?
- Handy for guiding precise linear motion in compact setups- Common in 3D printers, small CNCs, and automation rigs
- Carriage blocks are interchangeable to upgrade or service
- Custom lengths help fit tight spaces and alignments
Product Information
Product Information
Shipping & Returns
Shipping & Returns




Pair Of MGN7 Miniature Linear Rail Guides 120mm 4.72in With MGN7C Carriage Blocks For 3D Printer And CNC Machine Parts DIY High Precision Linear Slide Rails Interchangeable With HIWIN
Pair Of MGN7 Miniature Linear Rail Guides 120mm 4.72in With MGN7C Carriage Blocks For 3D Printer And CNC Machine Parts DIY High Precision Linear Slide Rails Interchangeable With HIWIN
✔️ 2 x MGN7 rails (L=120mm/4.72in) + 2 x MGN7C carriages
These miniature linear rail guides pair with MGN7C carriages for high-precision motion in compact spaces. They’re ideal for 3D printers, small CNCs, and DIY automation projects where precise, smooth travel matters.
✅ Length: 120 mm (4.72 in) per rail✅ Carriage: MGN7C, HIWIN-compatible
✅ Material: bearing steel for durability
✅ Accuracy: class C for tight tolerances
✅ Includes 2 rails + 2 carriages; custom lengths available on request
💡 What is a linear rail guide used for in precision motion systems?
- Handy for guiding precise linear motion in compact setups- Common in 3D printers, small CNCs, and automation rigs
- Carriage blocks are interchangeable to upgrade or service
- Custom lengths help fit tight spaces and alignments
Original: $49.49
-65%$49.49
$17.32Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
✔️ 2 x MGN7 rails (L=120mm/4.72in) + 2 x MGN7C carriages
These miniature linear rail guides pair with MGN7C carriages for high-precision motion in compact spaces. They’re ideal for 3D printers, small CNCs, and DIY automation projects where precise, smooth travel matters.
✅ Length: 120 mm (4.72 in) per rail✅ Carriage: MGN7C, HIWIN-compatible
✅ Material: bearing steel for durability
✅ Accuracy: class C for tight tolerances
✅ Includes 2 rails + 2 carriages; custom lengths available on request
💡 What is a linear rail guide used for in precision motion systems?
- Handy for guiding precise linear motion in compact setups- Common in 3D printers, small CNCs, and automation rigs
- Carriage blocks are interchangeable to upgrade or service
- Custom lengths help fit tight spaces and alignments























