3Flute Countersink Drill Bit Round Handle 90Degree Steel Chamfer Cutter Tool_,Chamfer Cutter Tool_ 3Flute Countersink Drill Bit Round Handle 90Degree Steel, Surface Technology: white diamond, Color: as picture shows,Shank: round handle, Steel Chamfer Cutter Tool_ 3Flute Countersink Drill Bit Round Handle 90Degree.