Item #: 53751210Brand: GuhringModel #: 9055120081000 Features and Benefits Solid carbide provides better rigidity than high speed steel. It is extremely heat-resistant and used for high speed applications on cast iron, nonferrous materials, plastics and other tough-to-machine materials. FIREX is a multi-layer coating that combines the characteristics of universal applicability of TiN, the heat resistance of TiAlN and the shock resistance of TiCN. FIREX is a proprietary coating exclusive to Guhring, Inc. Spiral flutes are constructed with a higher flute angle to remove chips more easily. Product Specifications Drill Bit Size (mm) 8.10 Drill Bit Size (Decimal Inch) 0.3189 Drill Point Angle 140 Drill Bit Material Solid Carbide Drill Bit Finish/Coating FIREX Flute Type Spiral Cutting Direction Right Hand Shank Type Straight Through Coolant Yes Point Type SU Point Flute Length (mm) 87.00 Overall Length (mm) 131.00 Spiral Type Regular Spiral Shank Diameter (mm) 10.00 Flute Length x Diameter Ratio 7xD Drill Bit Diameter Tolerance (mm) m7 Web Thinning Web-Thinning Material Grade K40 Series/List 5512