Manufacturer Part Number: 2493303|Tap Type|MachineThread Size (Inch)|1/4-20Overall Length (Decimal Inch)|2.5000Overall Length (mm)|Thread Size (mm)|Thread Standard|UNCChamfer|PlugMaterial|Vanadium High-Speed SteelCoating/Finish|NitrideThread Direction|Right HandCoolant Through|NoClass Of Fit|3BThread Limit|H3Number Of Flutes|3Oversize|NoThreads per Inch|20Thread Pitch (Decimal Inch)|Thread Pitch (mm)|Thread Pitch (Inch)|75% Thread Drill Size|Thread Length (Decimal Inch)|0.594Thread Length (Inch)|1Thread Length (mm)|Material Grade|Overall Length (Inch)|2-1/2Thread Depth (mm)|Thread Depth (Decimal Inch)|Amount Oversize (Decimal Inch)|Application|Shank Diameter (mm)|Shank Diameter (Decimal Inch)|0.255Tapping Depth (mm)|Tapping Depth (Decimal Inch)|Square Length (mm)|Square Length (Decimal Inch)|0.3125Square Length (Inch)|Square Size (mm)|Square Size (Decimal Inch)|0.191Material Application|Aluminum; Cast IronSeries|240Neck Length (Decimal Inch)|0.9960Neck Length|Neck Length (Inch)|Shank Length (mm)|Shank Length (Decimal Inch)|Product Service Code|UNSPSC Code|