OSG 52503050 Indexable Insert Drills; Drill Style: P3D; Maximum Drill Diameter (Decimal Inch): 1.3438; Maximum Drill Depth (Decimal Inch): 4.0310; Shank Type: Flatted; Shank Diameter (Inch): 1-1/2; Shank Diameter (Decimal Inch): 1.5000; Number of Dri