Dormer Short Length Drill Bit, Series: Force X R458, Metric, 11.7 mm Drill - Metric, 0.4606 in Drill - Decimal Inch, 102 mm Overall Length, 3XD Cutting Depth, 2 Flutes, CTW Flute, 55 mm Flute Length, 12 mm Dia x 45 mm L Shank, Cylindrical Shank, 140 deg Point, 4-Facet/Split Point, Right Hand Cutting Direction, Carbide Cutting Edge, Carbide, TiAlN, Applicable Materials: Steel, Stainless Steel, Cast Iron, Titanium, Nickel, Copper, Aluminum Magnesium, Synthetic Material and Hard Material