Manufacturer Part Number: HP253-2811|Drill Bit Size (Inch)|9/32Drill Bit Size (Wire)|Drill Bit Size (Letter)|Drill Bit Size (mm)|7.14Drill Bit Size (Decimal Inch)|0.2811Tool Material|Solid CarbideCutting Direction|Right HandCoating/Finish|EgiAsNumber Of Flutes|2Spiral Type|RegularFlute Type|SpiralDrill Point Angle|140Coolant Through|YesShank Type|Straight-CylindricalShank Diameter (Decimal Inch)|0.3150Drill Tip Finish/Coating|Overall Length (mm)|79Overall Length (Decimal Inch)|3.1102Overall Length (Inch)|Shank Diameter (mm)|8.00Series|HP253Point Type|R-ThinnedWeb Thinning|R-ThinnedWeb Configuration|TaperedNumber of Margins|Drill Length Type|Screw MachineMaximum 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|3xDTool Performance|High PerformanceDrill Bit Diameter Tolerance|+0.006 to +0.021 mmStandards|Flute Length (Decimal Inch)|Flute Length (Inch)|Flute Length (mm)|41.00Drill Bit Grade|Drill Bit Size Range (Decimal Inch)|0.2500 to 0.3000Drill Bit Size Range (mm)|6.50 - 8.00Specification Number|Specification Designation|Material Grade|Product Service Code|UNSPSC Code|23241635