Dormer Short Length Drill Bit, Series: Force X R458, Metric, 8.3 mm Drill - Metric, 0.3268 in Drill - Decimal Inch, 89 mm Overall Length, 3XD Cutting Depth, 2 Flutes, CTW Flute, 47 mm Flute Length, 10 mm Dia x 40 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