Triumph® Silver & Deming Drill, Series: T9F, 1-1/16 in Drill - Fraction, 1.0625 in Drill - Decimal Inch, 6 in Overall Length, 3 in Cutting Depth, 2 Flutes, Spiral Flute, 3 in Flute Length, 1/2 in Shank, 3-Flat Reduced Shank, 118 deg Point, Split Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Cast Iron, Low and Medium Carbon Steel, High Alloy Steel, Stainless Steel, Precipitation Hardened Steel and Wood