KYOCERA DC1900MSCPR0315 DRC Magic Drill Replaceable Drill Tip, ANSI Code: DC1900MSCPR0315, 0.748 in Dia, #190 Insert Seat, 140 deg Included, For Use With SS20-DRC190M and SF25-DRC190M Replaceable Tip Drills, P/K Grade, Manufacturer's Grade: PR0315