Manufacturer Part Number: 4150257|Drill Bit Size (Inch)|21/64Drill Bit Size (Wire)|Drill Bit Size (Letter)|Drill Bit Size (mm)|Drill Bit Size (Decimal Inch)|0.3281Tool Material|Solid CarbideCutting Direction|Right HandCoating/Finish|Multilayer TiAlNNumber Of Flutes|2Spiral Type|RegularFlute Type|SpiralDrill Point Angle|140Coolant Through|NoShank Type|Straight-CylindricalShank Diameter (Decimal Inch)|Drill Tip Finish/Coating|Overall Length (mm)|89.00Overall Length (Decimal Inch)|3.5039Overall Length (Inch)|Shank Diameter (mm)|10.00Series|B041A-CPGPoint Type|StandardWeb Thinning|Web Configuration|TaperedNumber of Margins|Drill Length Type|StubMaximum Drilling Depth (Decimal Inch)|1.3780Maximum Drilling Depth (mm)|35.00Shank Length (Inch)|Shank Length (Decimal Inch)|1.5748Shank Length (mm)|40.00Drill Point Length (mm)|1.41Drill Point Length (Decimal Inch)|0.0557Flute By Diameter Ratio|3xDTool Performance|Drill Bit Diameter Tolerance|-0.0006 to 0.0000 in; -0.015 to 0.000 mmStandards|Flute Length (Decimal Inch)|1.8504Flute Length (Inch)|Flute Length (mm)|47.00Drill Bit Grade|Drill Bit Size Range (Decimal Inch)|0.3000 to 0.3500Drill Bit Size Range (mm)|Specification Number|DIN 6537KSpecification Designation|DINMaterial Grade|Product Service Code|UNSPSC Code|