Harvey Tool 17960 | #4 90 Degree Incuded Angle x 5/16" Body Diameter x 2-1/2" OAL Double End Uncoated Carbide Combination Drill & CountersinkFeatures 60 Degree, 82 Degree, and 90 Degree included angles Plain Type 2 Flutes 118 Degree included tip angle Double ended Solid carbide CNC ground in the USA Product Specifications Material Solid Carbide Included Angle 90 Degree Angle Per Side 45 Degree Point Angle 118 Degree Size 4 Drill Diameter (Inch) 1 8" Drill Diameter (Decimal Inch) 0. 1250" Single or Double Double Number of Flutes 2 Coating Uncoated Overall Length (Inch) 2 1 2" Overall Length