Two Pack 4mm By 450mm Linear Motion Rod Shaft Guide For 3D Printer And CNC Machine Chrome Plated Hardened Steel Carbon Steel With Ultra Smooth Movement And 58 To 64 HRC Hardness

Two Pack 4mm x 450mm Linear Motion Rod for CNC & 3D Printers
✔️ Chrome plated C45 steel shaft, 0.1/1000mm straightness, 58-64 HRC

This chrome-plated 4mm by 450mm linear motion rod uses C45 carbon steel to deliver precise, smooth movement in automation systems. Ideal for 3D printers, CNC machines, robotics, and automated equipment that rely on linear bearings for accurate guiding.

✅ Diameter: 4 mm
✅ Length: 450 mm
✅ Material: C45 carbon steel with chromium plating
✅ Hardness: 58-64 HRC
✅ Straightness: less than 0.1/1000 mm
✅ Pack: 2 pieces

💡 What is a handy choice for a 4mm linear motion rod in hobby CNC and 3D printer builds?

This guide rod delivers steady guidance and durable performance. - Diameter: 4 mm and length 450 mm fit common components - Chromium plating protects against corrosion and wear - Hardness 58-64 HRC with tight straightness supports precise motion ✝️