Kyocera THD12037 Indexable Insert Drills; Drill Style: DRV; Drill Diameter (Decimal Inch): 1.8750; Maximum Drill Diameter (Decimal Inch): 1.8750; Drill Diameter (Inch): 1-7/8; Maximum Drill Depth (Inch): 9-3/8; Maximum Drill Depth (Decimal Inch): 9.3