Two Pack 12mm By 400mm Chrome Plated Case Hardened Linear Motion Rod Shaft Guide With H8 Tolerance, Built Tough Carbon Steel, Chamfered Ends For Easy Bearing Install, CNC And 3D Printer Ready

Two Pack 12mm x 400mm Chrome-Plated Linear Rods
✔️ Diameter 12mm, length 400mm, H8 tolerance, two-piece set

The Two Pack 12mm x 400mm chrome-plated steel rods are designed for precision linear motion. They’re ideal for CNC machines, 3D printers, and automation stages where accurate, smooth guiding is critical.

✅ 12 mm diameter, 400 mm length, chrome plated surface for hardness, case hardened carbon steel
✅ Chamfered ends for easy bearing install and finger safety
✅ Tolerances: diameter -0.005 to -0.03 mm, length ±0.5 mm
✅ Pack size: 2 pieces per pack (Two Pack)

💡 What is a 12mm x 400mm chrome plated linear motion rod used for in CNC machines and 3D printers?

These rods function as the main guide shafts for precise, repeatable movement.

- used with standard 12mm bearings and linear guides for smooth travel - chrome plated carbon steel offers wear resistance and durability - tight tolerances (diameter -0.005 to -0.03 mm, length ±0.5 mm) ensure precise fit - pack size compatibility for hobby or professional setups