Standard Pack = 1 piece(s). Surface Condition = Straw / Gold Oxide ; Material = HSS-CO 8% (M42) ; Tool Type = Drill ; Hand Of Spiral Cut = RHS / RHC ; Flute Type = Spiral ; Hand Of Spiral = Right ; Hand Of Cut = Right ; Drill Style = Taper Length Drill ; Drill Construction = Heavy-Duty ; Drill Size System = Wire ; Point Angle = 135 Deg ; Tool Size = #20 ; Diameter Wire = 20 ; Diameter Decimal Equivalent = 0.1610 Inch ; Number Of Flutes = 2 ; Length Of Flute = 3.375 Inch ; Double Ended = No ; Shank Configuration = Straight ; Shank Size = 0.161 Inch ; Overall Length = 5.75 Inch ; Set = No ; Package Type = Envelope ; List Style Number = 520 ;