Manufacturer Part Number: 13172-91L|Thread Size (Inch)|5/16-18Thread Size (mm)|Thread Standard|UNCChamfer|BottomingChamfered Threads|2.5PMaterial|Powdered Metal High-Speed SteelCoating/Finish|Bal-PlusCoolant Through|NoClass Of Fit|2BThread Limit|H9Overall Length (Inch)|2-23/32Overall Length (Decimal Inch)|2.7188Overall Length (mm)|Thread Direction|Right HandThread Length (Inch)|Thread Length (Decimal Inch)|0.8800Thread Length (mm)|Shank Diameter (Inch)|Shank Diameter (Decimal Inch)|0.3180Shank Diameter (mm)|Square Length (Inch)|Square Length (Decimal Inch)|Square Length (mm)|Material Application|Die Cast AluminumApplication|Blind Hole ThreadingSeries|BXDIECASTTapping Depth (Decimal Inch)|1.1250Tapping Depth (mm)|Square Size (Decimal Inch)|0.2380Square Size (mm)|Threads per Inch|Flute By Diameter Ratio|Material Grade|Oil Grooves|1Material Application Code|Trade Name|Number Of Flutes|Product Service Code|UNSPSC Code|23241600