Linear Shaft 8mm x 400mm Chrome Plated Optical Axis Rail
Currently unavailable
No store has this product in stock right now. Prices below are the last ones we recorded.
Prices updated: 13 Oct 2026
Price history
Lowest daily price, last 90 days
Not enough price history yet.
About this product
A hardened, chrome-plated precision linear shaft (optical axis) with an 8 mm outer diameter and approximately 400 mm length. Made from GCr15 bearing steel, it serves as a guide rail for linear motion in 3D printers, CNC machines and industrial equipment, and is typically paired with 8 mm linear bearings.
Specifications
- Material
- GCr15 bearing steel
- Hardness
- About HRC58
- Outer diameter
- 8 mm
- Length
- Approx. 400 mm
- Precision
- g6
- Surface roughness
- Below 1.5 μm (Rmax)
- Surface finish
- Chrome plated
Frequently asked questions
Which bearings fit this 8 mm shaft?
8 mm linear bearings such as the LM8UU are designed for an 8 mm shaft. Check the bearing bore size before mounting.
Can the shaft be cut to a shorter length?
Yes, but the shaft is hardened (about HRC58), so a hacksaw is difficult to use. An abrasive cut-off wheel is the practical option. Measure your frame first.
