OSG 7803394 Indexable Insert Drills; Drill Style: P4D; Maximum Drill Diameter (mm): 25.00; Maximum Drill Depth (mm): 100.00; Shank Type: Flatted; Shank Diameter (Inch): 25; Shank Diameter (mm): 25.00; Number of Drill Inserts: 2; Cutting Direction: Ri