Item #: 05951744Brand: Triumph Twist DrillModel #: 033327 Features and Benefits High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials. Oxide/Gold provides a polished finish and prevents chip building, galling and welding on a workpiece. It is commonly used in several applications on low carbons, stainless steel and iron based ferrous metals. Product Specifications Drill Bit Size (Decimal Inch) 0.4219 Drill Bit Size (Inch) 27/64 Drill Point Angle 135 Drill Bit Material High Speed Steel Drill Bit Finish/Coating Oxide/Gold Shank Type Round with Flats Overall Length (Inch) 4-7/16 Flute Length (Inch) 2-7/8 Cutting Direction Right Hand Point Type Split Point Flute Type Spiral Spiral Type Regular Spiral Through Coolant No Number of Flats 3 Web Configuration Parallel Web Thinning Web-Thinned Drill Bit Grade General Purpose Series/List T1M