Manufacturer Part Number: 008391AS|Thread Size (Inch)|5/16-18Thread Size (mm)|Thread Standard|UNCChamfer|PlugMaterial|High-Speed SteelCoating/Finish|Bright/UncoatedThread Direction|Right HandCoolant Through|NoClass Of Fit|3BThread Limit|H3Number Of Flutes|2Oversize|NoInterrupted Thread|Threads per Inch|18Overall Length (Inch)|2-23/32Thread Pitch (Decimal Inch)|Thread Pitch (mm)|Material Grade|Thread Length (Decimal Inch)|1.1250Thread Length (Inch)|1-1/8Thread Length (mm)|Overall Length (Decimal Inch)|2.7188Overall Length (mm)|Cnc Shank|Amount Oversize (Decimal Inch)|Shank Diameter (mm)|Shank Diameter (Decimal Inch)|0.3180Application|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)|Square Length (Inch)|Square Length (Decimal Inch)|Square Size (Decimal Inch)|0.2380Square Size (mm)|Material Application|Alloy Steel; Aluminum; Cast (Sand) Aluminum; Cast Iron; Die Cast Aluminum; Free-Machining Steel; High-Carbon Steel; Low-Carbon Steel; Medium-Carbon Steel; Nickel Alloy; Precipitation-Hardened Stainless Steel; Stainless Steel; Wrought AluminumSeries|Style|Product Service Code|UNSPSC Code|23241600