Item #: 78572336Brand: Precision Twist DrillModel #: 059731 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. Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic. Product Specifications Drill Bit Size (Inch) 31/64 Drill Bit Size (Decimal Inch) 0.4844 Drill Point Angle 118 Drill Bit Material High Speed Steel Drill Bit Finish/Coating Bright Overall Length (Inch) 18 Through Coolant NonCoolant Through Flute Length (Inch) 13 Cutting Direction Right Hand Flute Type Spiral Number of Flutes 2 Point Type Standard Shank Type Straight Spiral Type Regular Spiral Specification Designation ANSI Threaded Shank No Web Configuration Tapered Web Thinning Web-Thinned Drill Bit Grade General Purpose Series/List 1813