Manufacturer Part Number: HP255-4063|Drill Bit Size (Inch)|13/32Drill Bit Size (Wire)|Drill Bit Size (Letter)|Drill Bit Size (mm)|10.32Drill Bit Size (Decimal Inch)|0.4062Drill Bit Material|Solid CarbideDrill Point Angle (Degrees)|140Coating/Finish|Flute Type|SpiralCutting Direction|Right HandPoint Type|R-ThinnedPrimary Workpiece Material|Steel; Alloy Steel; Cast IronSpecification Number|Coolant Through|YesNumber of Flutes|2Drill Bit Finish/Coating|WD1Flute Length (Inch)|Primary Workpiece Material Code|P; KShank Diameter (Decimal Inch)|Overall Length (mm)|118.00Overall Length (Inch)|Overall Length (Decimal Inch)|Spiral Type|RegularFlute Length (mm)|71.00Flute Length (Decimal Inch)|Series|HP255Tool Application|Blind Hole; Cross Hole; Drilling; Self-CenteringFlute By Diameter Ratio|5xDShank Diameter (Inch)|Shank Diameter (mm)|12.00Maximum Drilling Depth (Decimal Inch)|Maximum Drilling Depth (mm)|Maximum Drilling Depth (Inch)|Shank Length (mm)|Shank Length (Decimal Inch)|Shank Length (Inch)|Number of Flats|Drill Point Length (mm)|Drill Point Length (Decimal Inch)|Drill Bit Diameter Tolerance|+0.007 to +0.025 mmWeb Thinning|R-ThinnedWeb Configuration|TaperedShank Type|Straight-CylindricalTool Performance|High PerformanceStandards|Double Margin|Drill 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