Manufacturer Part Number: C57220|Thread Size (Inch)|1/2-20Thread Size (mm)|Thread Standard|UNFChamfer|PlugMaterial|High-Speed SteelCoating/Finish|Bright/UncoatedThread Direction|Right HandCoolant Through|NoClass Of Fit|3BThread Limit|H3Number Of Flutes|3Oversize|Interrupted Thread|Threads per Inch|20Overall Length (Inch)|3-3/8Thread Pitch (Decimal Inch)|Thread Pitch (mm)|Material Grade|Thread Length (Decimal Inch)|0.9400Thread Length (Inch)|15/16Thread Length (mm)|Overall Length (Decimal Inch)|3.3750Overall Length (mm)|Cnc Shank|Amount Oversize (Decimal Inch)|Shank Diameter (mm)|9.32Shank Diameter (Decimal Inch)|0.3670Application|Through-Hole ThreadingNeck Length (mm)|Neck Length (Decimal Inch)|0.7300Neck Length (Inch)|47/64Tapping Depth (Fractional Inch)|Tapping Depth (mm)|Tapping Depth (Decimal Inch)|Square Length (mm)|11.11Square Length (Inch)|7/16Square Length (Decimal Inch)|0.4375Square Size (Decimal Inch)|0.2750Square Size (mm)|6.99Material Application|Alloy Steel; Aluminum; Carbon SteelSeries|1011Style|Product Service Code|UNSPSC Code|23241600