Kyocera OTM86242 Indexable Insert Drills; Drill Style: DR; Maximum Drill Diameter (mm): 40.01; Drill Diameter (mm): 40.01; Maximum Drill Depth (mm): 73.15; Shank Type: Straight-Cylindrical; Shank Diameter (Inch): 1-1/4; Shank Diameter (Decimal Inch):