Iscar 4851608 Indexable Insert Drills; Compatible Drill Style: GD-DH ; Maximum Drill Diameter (Inch): 1/2 ; Maximum Drill Diameter (Decimal Inch): 0.5000 ; Maximum Drill Depth (Inch): 7-3/4 ; Maximum Drill Depth (Decimal Inch): 7.7500 ; Shank Type: F