Item #: 57620114Brand: Chicago-LatrobeModel #: 47732 Features and Benefits Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys. Gold provides a polished finish on a cobalt or high speed steel tool. It is commonly used on aluminum alloy, titanium and plastic. Spiral flutes are constructed with a higher flute angle to remove chips more easily. Product Specifications Drill Bit Size (Inch) 1/2 Drill Bit Size (Decimal Inch) 0.5000 Drill Point Angle 135 Drill Bit Material Cobalt Drill Bit Finish/Coating Gold Finish Flute Type Spiral Cutting Direction Right Hand Shank Type Straight Coolant Through No Flute Length (mm) 114.30 Flute Length (Decimal Inch) 4.5000 Overall Length (mm) 152.40 Overall Length (Decimal Inch) 6.0000 Point Type Split Point Shank Diameter (mm) 12.70 Shank Diameter (Inch) 1/2 Shank Diameter (Decimal Inch) 0.5000 Spiral Type Regular Spiral Shank Length (mm) 38.10 Shank Length (Decimal Inch) 1.5000 Specification Designation NAS Web Configuration Tapered Drill Bit Diameter Tolerance (Decimal Inch) +0.0000 to -0.0010 Web Thinning Web-Thinned Specification Number NAS 907-B Drill Bit Grade Heavy Duty Series/List 550ASP
