Standard Pack = 1 piece(s). Type = i-Dream Drill Holder ; Flutes = 2 ; Flute Type = Spiral ; Minimum Insert Diameter = 0.5118 Inch ; Maximum Insert Diameter = 0.5312 Inch ; Diameter = 0.4921 Inch ; Shank Diameter = 0.75 Inch ; Shank Length = 2 Inch ; Flange Diameter = 1 Inch ; Maximum Drill Depth = 2.5625 Inch ; Overall Length = 5.5937 Inch ; Length x Diameter = 5xD ; Coolant Through = Yes ; Coating = Nickel-Based ; Material = Alloy Steel ; Series = ZA ;