Dormer Extra Length Drill, Type N General Purpose, Series: A125, 10.5 mm Drill Size - Metric, 0.4134 in Drill Size - Decimal Inch, 310 mm Overall Length, 10XD Cutting Depth, 2 Flutes, Spiral Flute, 250 mm Flute Length, 10.5 mm Shank, Straight Shank, 118 deg Point, Right Hand Cutting, HSS Cutting Edge, HSS, Steam Oxide, Applicable Materials: Magnetic Soft Steel, Alloy Steel, Lamellar Graphite, Aluminum, Magnesium, Unalloyed and Copper, No Through Coolant (Yes/No)