Manufacturer Part Number: DW5421|Drill Bit Size (Inch)|1/4Drill Bit Size (mm)|Drill Bit Size (Decimal Inch)|0.2500Shank Type|SDS-PlusDrill Bit Material|Carbide Tipped; High Speed SteelShank Diameter (Inch)|Shank Diameter (Decimal Inch)|Shank Diameter (mm)|Flute Length (mm)|Flute Length (Inch)|12Flute Length (Decimal Inch)|12.0000Overall Length (mm)|Overall Length (Inch)|14Series|Tool Application|Tool Performance|Drill Bit Cutting Shape|Primary Workpiece Material|Concrete; MasonryIncludes|Standards|Number Of Flutes|Coating/Finish|Number Of Pieces|Number Of Flats|UNSPSC Code|27112800