Eachine1 Outer Diameter 12mm X 300mm Cylinder Liner Rail Linear Shaft Optical Axis

Description: Outer Diameter 12mm x 300mm Cylinder Liner Rail Linear Shaft Optical Axis Feature: Thick enough and the surface is smooth. Durable for using and easy to install. The optical axis is widespread used in automatic driver. Such as the industrial robot,automatic recorder,computer,printer,automatic plastic wooden machine. Specification: Material Bearing steel,GCr15 Hardness About HRC58 Surface roughness Below 1.5uM Surface hard-thickness 0.8~3mm Outer diameter 12mm Length 300mm Straightness Below 5M/100mm Hard chrome thickness 3.0M(Rmax) Color Silver Package included: 1 X Linear Optical Axis