K&A Company OD 8mm x 400mm Bearing Steel Cylinder Liner Shaft Optical Axis

Price: $15.24
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Manufacturer Description

K&A Company OD 8mm x 400mm Bearing Steel Cylinder Liner Shaft Optical Axis
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 1.5?M(Rmax) Surface hard-thickness : 0.8?~3mm Outer diameter : 8mm Length : 400mm Staightness : Below 5?M/100mm Hard chrome thickness : 3.0?M(Rmax) Package includes : 1 x Linear Optical Axis Details pictures :