Two Pack 12mm X 300mm Linear Motion Rods Chrome Plated For 3D Printers CNC DIY Beefy Precision Shafts With Case Hardened Chrome Finish HRC55-62 Ra0.05-0.08 Straightness 0.1mm Per 1000mm Max Tight Tolerances
UPC: 00193019641323
✔️ 2x 12mm x 300mm chrome plated rods, HRC55-62, Ra0.05-0.08
These chrome-plated steel rods deliver precise, straight-line motion for CNC, 3D printers, and automated equipment. Made from 45# carbon steel with a case-hardened chrome finish, they resist wear and provide smooth, repeatable travel with easy bearing integration.
✅ 12mm diameter x 300mm length, chrome plated with ~0.01mm thickness
✅ HRC55-62 hardness for durable wear resistance
✅ Ra0.05-0.08 surface roughness for smooth motion
✅ Straightness ≤0.1mm per 1000mm
✅ Diameter tolerance -0.01 to -0.03mm; length tolerance ±0.1mm
✅ Chamfered ends C1.0-45° for safe handling and easy assembly
✅ Pack of 2 pieces for quick upgrades
💡 What is a handy way to choose linear motion rods for CNC and 3D printer projects?
These rods are designed to deliver precise movement in a compact package.
- high-precision 12mm diameter steel rod for smooth travel - chrome plating protects against wear and corrosion in busy workshops - tight tolerances help maintain accurate alignment over long runs - compatible with common linear bearings and carriages for upgrades