OSG 7803396 Indexable Insert Drills; Drill Style: P4D; Maximum Drill Diameter (mm): 31.00; Maximum Drill Depth (mm): 124.00; Shank Type: Flatted; Shank Diameter (Inch): 40; Shank Diameter (mm): 40.00; Number of Drill Inserts: 2; Cutting Direction: Ri