Manufacturer Part Number: CD40028|Drill Bit Size (Inch)|7/16Drill Bit Size (Wire)|Drill Bit Size (Letter)|Drill Bit Size (mm)|Drill Bit Size (Decimal Inch)|0.4375Drill Bit Material|High Speed SteelDrill Point Angle (Degrees)|118Coating/Finish|Black OxideFlute Type|SpiralCutting Direction|Right HandPoint Type|StandardPrimary Workpiece Material|Steel; Stainless Steel; Cast Iron; Non-Ferrous Metal; Superalloys & TitaniumSpecification Number|Coolant Through|NoNumber of Flutes|2Drill Bit Finish/Coating|Flute Length (Inch)|4-1/16Primary Workpiece Material Code|P; M; K; N; SShank Diameter (Decimal Inch)|0.4375Overall Length (mm)|Overall Length (Inch)|5-1/2Overall Length (Decimal Inch)|5.5Spiral Type|RegularFlute Length (mm)|Flute Length (Decimal Inch)|4.0625Series|CD40Tool Application|DrillingFlute By Diameter Ratio|9xDShank Diameter (Inch)|7/16Shank Diameter (mm)|Maximum Drilling Depth (Decimal Inch)|4.0625Maximum Drilling Depth (mm)|Maximum Drilling Depth (Inch)|4-1/16Shank Length (mm)|Shank Length (Decimal Inch)|1.4375Shank Length (Inch)|1-7/16Number of Flats|0Drill Point Length (mm)|Drill Point Length (Decimal Inch)|Drill Bit Diameter Tolerance|-0.0010 to +0.0000Web Thinning|Web Configuration|Shank Type|Straight-CylindricalTool Performance|Standards|Double Margin|NoDrill Bit Grade|Drill Bit Size Range (Decimal Inch)|0.4000 - 0.5000Drill Bit Size Range (mm)|Material Grade|Specification Designation|Product Service Code|UNSPSC Code|23241634