6mm x 300mm Linear Motion Rods Two Pack S45C Carbon Steel Shafts With Hard Chrome Plating HRC 60 Plus Minus 2 Precision Ground And Pre Chamfered For 3D Printer And CNC Router Linear Rail Guide Shaft

Two-Pack 6mm x 300mm S45C Chrome Linear Rods
✔️ S45C tool steel, HRC60±2 hardness, 20μm chrome, burr-free, ±0.05mm

These precision-ground 6mm diameter linear motion rods are built for high-precision, low-friction guidance in DIY projects and industrial setups. They are ideal for 3D printers, CNC routers, and motion systems that require reliable dual-shaft guidance with tight parallelism.

✅ Material: S45C carbon steel with 20μm hard chrome plating
✅ Hardness: HRC60±2 for long-lasting wear resistance
✅ Precision: ±0.05mm length tolerance; 6mm diameter; 300mm length
✅ Ends: Pre-chamfered and burr-free for safe installation
✅ Compatibility: Fits SC6UU, SCS6LUU, and 6mm linear bearings for CoreXY/CNC routers

💡 What is a 6mm x 300mm linear motion rod used for in DIY CNC machines and 3D printers?

These rods provide precise, smooth linear guidance for dual-shaft motion systems, printers and routers.

• 6mm diameter, 300mm length, precise ground finish for CoreXY setups
• Hard-chrome plated, S45C steel for rust resistance and long life
• Pre-chamfered ends prevent damage during bearing install
• Compatible with SC6UU, SCS6LUU and other 6mm bearings

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