Manufacturer Part Number: CD30028|Drill Bit Size (Inch)|7/16Drill Bit Size (Wire)|Drill Bit Size (Letter)|Drill Bit Size (mm)|Drill Bit Size (Decimal Inch)|0.4375Tool Material|High-Speed SteelCutting Direction|Right HandCoating/Finish|Black OxideNumber Of Flutes|2Spiral Type|Flute Type|SpiralDrill Point Angle|135Coolant Through|NoShank Type|Straight-CylindricalShank Diameter (Decimal Inch)|Drill Tip Finish/Coating|Overall Length (mm)|Overall Length (Decimal Inch)|Overall Length (Inch)|3-7/16Shank Diameter (mm)|Series|300Point Type|SplitWeb Thinning|Web Configuration|Number of Margins|Drill Length Type|Maximum Drilling Depth (Decimal Inch)|Maximum Drilling Depth (mm)|Shank Length (Inch)|Shank Length (Decimal Inch)|Shank Length (mm)|Drill Point Length (mm)|Drill Point Length (Decimal Inch)|Flute By Diameter Ratio|Tool Performance|Drill Bit Diameter Tolerance|Standards|Flute Length (Decimal Inch)|1.0625Flute Length (Inch)|1-1/16Flute Length (mm)|Drill Bit Grade|Heavy DutyDrill Bit Size Range (Decimal Inch)|0.4000 to 0.4500Drill Bit Size Range (mm)|Specification Number|Specification Designation|Material Grade|Product Service Code|UNSPSC Code|23241635