DEWALT DW1120 Jobber Drill Bit 5/16 in Dia 4-1/2 in OAL Parabolic Flute 5/16 in Dia Shank Round Shank - Pack of 3

135 deg split point drills on contact and prevents walking. Core diameter reduces breakage. Drills wood, metal, fiberglass, PVC and stainless steel. Black oxide for greater wear resistance.