8mm x 500mm Chrome-Plated Linear Shaft (Optical Axis)
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Prices updated: 13 Oct 2026
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About this product
Chrome-plated 8 mm diameter linear shaft of about 500 mm length, made from GCr15 bearing steel and ground to g6 tolerance. It serves as a precision guide rail for linear bearings in 3D printers, CNC machines and other motion systems. The hardened, chrome-plated surface resists wear and extends service life.
Specifications
- Diameter
- 8 mm
- Length
- Approx. 500 mm
- Material
- GCr15 bearing steel
- Hardness
- About HRC58
- Precision
- g6
- Surface roughness
- Below 1.5 μm (Rmax)
Frequently asked questions
Which linear bearings fit an 8 mm shaft?
Use 8 mm bore linear bearings, such as the common LM8UU type or an equivalent, with this shaft.
Can the shaft be cut to a shorter length?
The shaft is hardened to about HRC58, so cutting it needs suitable equipment. Standard hand tools are not suitable for this hardness.
