Dormer Jobber Length Drill Bit, Type N General Purpose, Series: A012, Imperial, #12 Drill - Wire, 0.189 in Drill - Decimal Inch, 3-1/2 in Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 2-5/16 in Flute Length, 0.189 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