Collis Tool bushings available for all sizes of CNC lathes Collis Exclusive Easy-Entry feature for precision bores Extreme Rigidity Axial Accuracy: Concentricity . .0002 Evenly grips across the shank of the tool Flats and depressions will not distort Collis tool bushings Highest quality materials are used to maximize resistance to tool pull out 52-55 Rockwell C Hardness provides improved tool life and reduced costs 16 RMS finish, Best in the Industry Traverse ground O.D. and I.D. surfaces for ultimate precision Extended length tool bushings available upon request Special sizes can be purchased for a standard price Universally used in CNC machines, Turning Lathes and machine spindles to adapt ...