OD 8mm x 400mm Bearing Steel Cylinder Liner Shaft Optical Axis.

Description

Description : OD 8mm x 400mm Bearing Steel Cylinder Liner Rail Linear Shaft Optical Axis Quantity : 1(one)pcs Material : bearing steal-GCr15 Hardness : About HRC58° Precision : g6 Surface roughness : Below 1.5μM(Rmax) Surface hard-thickness : 0.8μ~3mm Outer diameter : 8mm Length : 400mm Staightness : Below 5μM/100mm Hard chrome thickness : 3.0μM(Rmax) Package included : 1 x Linear Optical Axis