4 mm Bore PFERD 44023 Polistar-Tube 240 Grit Pack of 10 2-1/4 Diameter 6350 Max RPM

PFERD 44023 Polistar-Tube, 2-1/4' Diameter, 4 mm Bore, 6350 Max RPM, 240 Grit (Pack of 10): Industrial & Scientific. PFERD 44023 Polistar-Tube, 2-1/4" Diameter, 4 mm Bore, 6350 Max RPM, 240 Grit (Pack of 10): Industrial & Scientific. PFERD Polestar-Tube is multi-layered and riveted together. In order to prevent corrosion on stainless steel (INOX) pipes, Polestar-Tube is manufactured using stainless steel rivets exclusively. They are used specially for working on the inner surfaces of pipes and pipe bends. Polestar-Tube is ideal for step-by-step cleaning and finishing of inner surfaces and pipe bends, rounding off pipe ends and deburring bore holes, use in straight pipes and deep bore holes. (With this application the stars are used with drive arbors.). PFERDERGONOMICS recommends Polestar-Tube as innovative solutions to sustainably reduce vibration and noise levels during use and to improve working comfort. Specification: Diameter (inches): 2-1/4; Bore: 4 mm; No. of Layers: 6; Recon. Speed RPM2,500; Maximum Rotational Speed (RPM): 6,350; Suitable arbor: EDP 44062; Grit: 240. 。。。