Pro Grade 6mm x 300mm Chrome Plated Linear Motion Shaft Rods, 2 Pcs, Smooth Guide Rail for 3D Printer CNC DIY Projects, Case Hardened, Chrome Finish, Metric H8 Tolerance, 11.81 Inch Length

Two-Pack Chrome Plated 6mm x 300mm Linear Shafts for CNC
✔️ Chrome plated 6mm dia, 300mm long, H8 tolerance, 58-64 HRC

These chrome plated linear shaft rods measure 6 mm in diameter and 300 mm long, sold as a 2-piece pack. Ideal for CNC machines, 3D printers, and automated equipment, they feature a case-hardened steel core and a chromium plating that resists wear and corrosion. Chamfered ends simplify installation and protect fingers during assembly. Made from high-quality carbon steel (C45) with 58-64 HRC hardness, chrome thickness 15-20 μm, surface roughness Ra 0.8, and straightness under 5 μm/100 mm. Custom lengths and end processing options are available on request.

✅ 6 mm diameter chrome plated steel shaft
✅ Length 300 mm (11.81 in); two pieces included
✅ Case hardened steel with 58-64 HRC hardness and 15-20 μm chrome
✅ Chamfered ends for easy installation and finger protection
✅ Tolerance H8; straightness under 5 μm/100 mm; Ra 0.8

💡 What is a handy long-tail question about 6mm x 300mm chrome linear shaft rods? These shafts are handy guides in motion systems that require precise straight-line movement.
- used in CNC machines for linear guidance and smooth operation
- ideal for 3D printers axis movement and automated equipment
- pairs with standard linear bearings to reduce friction and wear
- customization options for length and end processing available