Outer Diameter 15mm x 100/200/300/400/500mm Cylinder Liner Rail Linear guide Optical Axis

Description:  Outer Diameter 15mm x 100/200/300/400/500mm Cylinder Liner Rail Linear Shaft Optical Axis.     Specification:  Material: Bearing steel, GCr15.  Hardness: About HRC62°.  Precision: g6 h6.  Surface roughness: Below 1.5uM.  Surface hard-thickness: 0.8μ~3mm.  Outer diameter: 15mm.  Length: 100/200/300/400/500mm.  Straightness: Below 5μM/100mm.  Hard chrome thickness: 3.0μM(Rmax).  Color: Silver.  quantity: 1pcs.     Features:  Thick enough and the surface is smooth.  Durable for using and easy to install.  The optical axis is widespread used in automatic driver.     Note:  Please note that the package included only one linear optional axis.  Please note that the shaft may have -3mm errors.     Package Included:  1 X Linear Optical Axis