Chicago-Latrobe Taper Length Drill, General Purpose, Series: 120, #46 Drill - Wire, 0.081 in Drill - Decimal Inch, 4-1/4 in Overall Length, 2-1/4 in Cutting Depth, Spiral Flute, 2-1/4 in Flute Length, 0.081 in Shank, Straight Shank, 118 deg Point, Conventional Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Carbon Steel, Alloy Steel and Cast Iron