Manufacturer Part Number: C68363|Drill Bit Size (Inch)|5/16Drill Bit Size (Wire)|Drill Bit Size (Letter)|Drill Bit Size (mm)|Drill Bit Size (Decimal Inch)|0.3125Drill Bit Material|CobaltDrill Point Angle (Degrees)|135Coating/Finish|TiNFlute Type|SpiralCutting Direction|Right HandPoint Type|SplitPrimary Workpiece Material|Aluminum; Superalloy; TitaniumSpecification Number|Coolant Through|NoNumber of Flutes|2Drill Bit Finish/Coating|Flute Length (Inch)|3-3/16Primary Workpiece Material Code|H; K; N; P; SShank Diameter (Decimal Inch)|0.3125Overall Length (mm)|114.30Overall Length (Inch)|4-1/2Overall Length (Decimal Inch)|4.5000Spiral Type|RegularFlute Length (mm)|80.96Flute Length (Decimal Inch)|3.1875Series|1603Tool Application|Flute By Diameter Ratio|Shank Diameter (Inch)|5/16Shank Diameter (mm)|7.94Maximum Drilling Depth (Decimal Inch)|Maximum Drilling Depth (mm)|Maximum Drilling Depth (Inch)|Shank Length (mm)|33.34Shank Length (Decimal Inch)|1.3126Shank Length (Inch)|Number of Flats|Drill Point Length (mm)|Drill Point Length (Decimal Inch)|Drill Bit Diameter Tolerance|+0.0000 to -0.0010 inWeb Thinning|Web-ThinnedWeb Configuration|TaperedShank Type|Straight-CylindricalTool Performance|High PerformanceStandards|ASME B94.11MDouble Margin|Drill Bit Grade|Heavy DutyDrill Bit Size Range (Decimal Inch)|0.3000 - 0.3500Drill Bit Size Range (mm)|Material Grade|Specification Designation|Product Service Code|UNSPSC Code|23241634