Manufacturer Part Number: C57619|Thread Size (Inch)|1/4-20Thread Size (mm)|Thread Standard|UNCChamfer|PlugMaterial|High Speed SteelCoating/Finish|OxideThread Direction|Right HandCoolant Through|NoClass Of Fit|2BThread Limit|H3Number Of Flutes|2Oversize|NoInterrupted Thread|Threads per Inch|20Overall Length (Inch)|2-1/2Thread Pitch (Decimal Inch)|Thread Pitch (mm)|Material Grade|Thread Length (Decimal Inch)|1.0000Thread Length (Inch)|Thread Length (mm)|25.40Overall Length (Decimal Inch)|2.5000Overall Length (mm)|63.50Cnc Shank|Amount Oversize (Decimal Inch)|Shank Diameter (mm)|6.48Shank Diameter (Decimal Inch)|0.2550Application|Through-Hole ThreadingNeck Length (mm)|Neck Length (Decimal Inch)|Neck Length (Inch)|Tapping Depth (Fractional Inch)|Tapping Depth (mm)|Tapping Depth (Decimal Inch)|Square Length (mm)|7.94Square Length (Inch)|5/16Square Length (Decimal Inch)|0.3125Square Size (Decimal Inch)|0.1910Square Size (mm)|4.85Material Application|Cast Iron; SteelSeries|1011BOStyle|Product Service Code|UNSPSC Code|