KYOCERA Replaceable Tip Drill, High Efficiency High Performance, 0.313 to 0.334 in Drill, Flanged Shank, 1/2 in Shank Dia, 1.772 in Shank Length, 4.961 in Overall Length, 140 deg Point, 2.677 in Maximum Drill Depth, 8xD Drill Depth by Dia Ratio, DA Insert, 80 Insert Seat