Iscar 4854364 Indexable Insert Drills; Compatible Drill Style: GD-DH ; Maximum Drill Diameter (Inch): 1-1/4 ; Maximum Drill Diameter (Decimal Inch): 1.2500 ; Maximum Drill Depth (Decimal Inch): 25.3760 ; Shank Type: Flatted ; Shank Diameter (Inch): 1