Manufacturer Part Number: 66536|Drill Bit Size (Inch)|1/4Drill Bit Size (Wire)|Drill Bit Size (Letter)|Drill Bit Size (mm)|6.30Drill Bit Size (Decimal Inch)|0.248Drill Bit Material|Solid CarbideDrill Point Angle (Degrees)|135Coating/Finish|Ti-NAMITE-XFlute Type|SpiralCutting Direction|Right HandPoint Type|StandardPrimary Workpiece Material|Specification Number|DIN 6537Coolant Through|YesNumber of Flutes|2Drill Bit Finish/Coating|Flute Length (Inch)|Primary Workpiece Material Code|Shank Diameter (Decimal Inch)|0.3100Overall Length (mm)|91.00Overall Length (Inch)|Overall Length (Decimal Inch)|3.5827Spiral Type|Flute Length (mm)|53.00Flute Length (Decimal Inch)|2.0866Series|142PTool Application|Flute By Diameter Ratio|5xDShank Diameter (Inch)|Shank Diameter (mm)|8.00Maximum Drilling Depth (Decimal Inch)|0.9055Maximum Drilling Depth (mm)|23.00Maximum Drilling Depth (Inch)|Shank Length (mm)|36.00Shank Length (Decimal Inch)|1.4173Shank Length (Inch)|Number of Flats|0Drill Point Length (mm)|1.31Drill Point Length (Decimal Inch)|0.0514Drill Bit Diameter Tolerance|+.00024 to +.00083 in; +0.006 to +0.021 mmWeb Thinning|Web-ThinnedWeb Configuration|Shank Type|Straight-CylindricalTool Performance|Standards|Double Margin|Drill Bit Grade|High PerformanceDrill Bit Size Range (Decimal Inch)|0.2000 - 0.2500Drill Bit Size Range (mm)|6.00 - 7.00Material Grade|MicrograinSpecification Designation|DINProduct Service Code|UNSPSC Code|23241634