GARR Short Length Drill Bit, High Performance, Series: 1580H, Metric/Imperial, 8.5 mm Drill - Metric, 0.3346 in Drill - Decimal Inch, 79 mm Overall Length, 3XD Cutting Depth, 2 Flutes, Spiral Flute, 37 mm Flute Length, 8.5 mm Shank, 140 deg Point, Submicron Grain Solid Carbide Cutting Edge, Submicron Grain Solid Carbide, TiAlN Coated, Applicable Materials: Cobalt Based Alloy, High Nickel, High Temperature Alloy, Stainless Steel and Tool Steel