Standard Pack = 1 piece(s). Coolant Hole Diameter Inch = 0.3937 ; Coolant Hole Diameter Metric = 10 ; System Size Machine Side = KM63TS ; System Size Workpiece Side = KM50 ; Adapter/Shank/Bore Diameter Fraction = 2.4803 ; Adapter/Shank/Bore Diameter Inch = 2.4803 ; Adapter/Shank/Bore Diameter mm = 63 ; Adapt/Shank/BoreDiaWKPS In = 1.9685 ; Adapt/Shank/BoreDiaWKPS mm = 50 ;