Dormer Extra Length Drill, Type N General Purpose, Series: A125, 1/2 in Drill - Fraction, 0.5 in Drill - Decimal Inch, 400 mm Overall Length, 10XD Cutting Depth, 2 Flutes, Spiral Flute, 300 mm Flute Length, 1/2 in Shank, Straight Shank, 118 deg Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Steam Oxide, Applicable Materials: Magnetic Soft Steel, Alloy Steel, Lamellar Graphite, Aluminum, Magnesium, Unalloyed and Copper, No Through Coolant