Manufacturer Part Number: 663197|Drill Bit Size (Inch)|1/4Drill Bit Size (Wire)|Drill Bit Size (Letter)|Drill Bit Size (mm)|6.35Overall Length (Inch)|Overall Length (mm)|131.1700Tool Material|CarbideCoating/Finish|TiAlNCoolant Through|YesFlute Type|HelicalShank Type|CylindricalDrill Point Angle|140Flute Length (Inch)|Flute Length (mm)|73.20Point Type|X-ThinningSeries|MVSCutting Direction|Right HandTool Application|Cross Hole; Drilling; Stack DrillingSpiral Type|Right HandDrill Bit Diameter Tolerance|Number Of Flutes|2Web Thinning|X-ThinnedWeb Configuration|ParallelPrimary Workpiece Material|SteelPrimary Workpiece Material Code|PSecondary Workpiece Material|Steel; Stainless Steel; Superalloys & Titanium; Structural Steel; Tempered Steel; Iron; High Strength Bronze; Hardened Steel; Copper; Cast Iron; Carbon Steel; Bronze; Brass; Aluminum; Aluminum AlloySecondary Workpiece Material Code|P; M; K; NStandards|Drill Bit Grade|High Performance; High PrecisionDrill Bit Size (Decimal Inch)|0.2500Drill Point Length (mm)|1.14Drill Point Length (Decimal Inch)|0.0450Overall Length (Decimal Inch)|5.1640Shank Diameter (Decimal Inch)|0.315Shank Diameter (mm)|8.0000Shank Diameter (Inch)|Shank Length (Decimal Inch)|2.0870Shank Length (mm)|53.010Flute Length (Decimal Inch)|2.8820Flute By Diameter Ratio|8xDMaximum Drilling Depth (Decimal Inch)|2.0470Maximum Drilling Depth (mm)|51.99Material Grade|Specification Designation|ISOSpecification Number|Psc Code|UNSPSC Code|23241637