Product Details: Manufacturer Part Number: C58570|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|3Flute Direction|Right HandHelix Angle|52Threads per Inch|18Thread Depth (mm)|Overall Length (Inch)|Thread Length (Decimal Inch)|0.6900Thread Length (mm)|Thread Length (Inch)|Overall Length (Decimal Inch)|2.7190Overall Length (mm)|Thread Depth (Decimal Inch)|Thread Pitch (Decimal Inch)|Thread Pitch (mm)|Thread Pitch (Inch)|Material Grade|Amount Oversize (Decimal Inch)|Oversize|NoApplication|Blind Hole ThreadingShank Diameter (Decimal Inch)|0.3180Shank Diameter (mm)|8.08Neck Length (mm)|Neck Length (Inch)|Neck Length (Decimal Inch)|0.4500Tapping Depth (Decimal Inch)|Tapping Depth (mm)|Tapping Depth (Fractional Inch)|Square Length (mm)|9.52Square Length (Inch)|Square Length (Decimal Inch)|0.3750Square Size (Decimal Inch)|0.2380Square Size (mm)|6.05Flute Style|FastMaterial Application|Alloy Tool Steel; Carbon Steel; Stainless SteelSeries|1093; 1094Helix Angle Range|Shank Length (mm)|Shank Length (Decimal Inch)|UNSPSC Code|Product Service Code|