Dormer Jobber Length Drill Bit, Type N General Purpose, Series: A002, Imperial, 15/32 in Drill - Fraction, 0.4688 in Drill - Decimal Inch, 151 mm Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 101 mm Flute Length, 15/32 in Shank, Straight Shank, 118 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, TiN, Gold, Applicable Materials: Aluminum, Alloy Steel, Copper, Magnetic Soft Steel, Magnesium and Lamellar Graphite