GARR Spade Drill, Series: 1300, Imperial, 1/4 in Drill - Fraction, 0.25 in Drill - Decimal Inch, 2 in Overall Length, 1.5XD Cutting Depth, 2 Flutes, Straight Flute, 1/4 in Shank, 118 deg Point, Spade Point, Submicron Grain Solid Carbide Cutting Edge, Applicable Materials: Carbon Steels, Cobalt Base Alloys, Composites, High Strength Tool Steels, Medium Alloy Steels, Nickel Base Alloys, Iron Base Alloys, Monel, Titanium Alloys and Stainless Steels, Shallow Hole Drilling and Burnishing, Submicron Grain Solid Carbide, Uncoated