High quality triple bearing design (bearings are immersed & sealed)
Made of precision ground hardened steel for high accuracy!
Made of finest heat treated steel, with case-hardened housing. Built-in washer to protect bearings from grit and dust. Centers have 60 degree point, and concentricity of +/-0.0004'.Size: 1 Morse TaperCenters have 60 degree point, and concentricity of +/-0.0004'