2 Piece Linear Motion Rod Shaft Guide Set 8x100mm Hardened Chrome Plated Hollow Steel Rods With 4mm Inner Hole And M4 Screws Rock Solid For 3D Printers And CNC Machines
✔️ 8mm outer diameter, 100mm length, 4mm hollow bore, M4 screws included
These hollow linear motion rods are built for high-precision guidance in CNC machines, 3D printers, engraving, and automation setups. The outer body is 8mm in diameter and 100mm long, with a 4mm inner hole and hollow ends ready for strong clamping.
✅ Outer diameter 8mm (0.31 in); length 100mm (3.94 in)
✅ 4mm inner hole; hollow ends with hollow internal threads on both ends
✅ Chrome-plated bearing steel; hard chrome plating and high-frequency quenching for durability
✅ Pre-installation chamfering on both ends for easy mounting and safety
✅ 2-piece set; compatible with linear support blocks and enclosed sliders in CNC, 3D printers, engraving, and automation
💡 What is a hollow linear motion shaft guide used for in precision machinery?
A handy, precise shaft enabling smooth, low-noise movement across assemblies.
- used in CNC systems and 3D printers for accurate motion- features 8mm diameter, 100mm length, 4mm bore with hollow ends
- chrome-plated bearing steel provides wear resistance and corrosion protection
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