Titan USA Screw Machine Drill, General Purpose Stub Length, Series: 200, Imperial, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, 2-1/2 in Overall Length, 1-1/4 in Cutting Depth, 2 Flutes, Spiral Flute, 1-1/4 in Flute Length, 5/16 in Shank, Straight Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, Solid Carbide, Uncoated, Applicable Materials: Cobalt Base Alloy, Nickel Base Alloy, Iron Base Alloy, Monel, Titanium Alloy, Stainless Steel, High Strength Tool Steel, Medium Alloy Steel, Carbon Steel, Ductile, Cast Iron, Aluminum, Magnesium, Copper, Copper Alloy, Brass Bronze and Composites