Head Diameter Inch 14 Number of Flutes 1 Included Angle 120 Countersink Material Cobalt Countersink FinishCoating TiN Coated Shank Diameter Inch 14 Made from premium M42, 8 cobalt HSS Excellent for countersinking abrasive, highstrength, heat resistant, exotic and other difficult to machine materials TiN coated for higher surface hardness and better lubricity to enhance productivity and longer tool life