OSG 52503068 Indexable Insert Drills; Drill Style: P3D; Maximum Drill Diameter (Inch): 9/16; Maximum Drill Diameter (Decimal Inch): 0.5625; Maximum Drill Depth (Decimal Inch): 1.6880; Shank Type: Flatted; Shank Diameter (Inch): 3/4; Shank Diameter (D