Standard Pack = 1 piece(s). Type = i-Dream Drill Holder ; Flutes = 2 ; Flute Type = Spiral ; Minimum Insert Diameter = 0.7677 Inch ; Maximum Insert Diameter = 0.7812 Inch ; Diameter = 0.748 Inch ; Shank Diameter = 1 Inch ; Shank Length = 2.1875 Inch ; Flange Diameter = 1.25 Inch ; Maximum Drill Depth = 5.375 Inch ; Overall Length = 8.7812 Inch ; Length x Diameter = 7xD ; Coolant Through = Yes ; Coating = Nickel-Based ; Material = Alloy Steel ; Series = ZD ;