Product Details: Manufacturer Part Number: C64131|Thread Standard|NPSFMaterial|High Speed SteelOverall Length (Inch)|Overall Length (Decimal Inch)|2.4380Overall Length (mm)|Threads per Inch|18.0Thread Size (mm)|Thread Size (Inch)|1/4-18Application|Hook|RegularThread Length (Inch)|Tap Type|Material Application|Cast Iron; Non-Ferrous Metal Aluminum; SteelShank Diameter (Decimal Inch)|0.5625Square Length (Inch)|7/16Square Size (mm)|Thread Direction|Square Size (Decimal Inch)|0.4210Chamfer|Thread Limit|Thread Profile|Series|Thread Length (Decimal Inch)|1.0630Coating/Finish|Bright/UncoatedThread Pitch (Decimal Inch)|Projection (mm)|Square Length (Decimal Inch)|0.4375Projection (Decimal Inch)|0.4590Thread Pitch (mm)|Thread Length (mm)|Thread Depth (mm)|Thread Depth (Decimal Inch)|Shank Diameter (mm)|Number Of Flutes|4Square Length (mm)|11.11Product Service Code|UNSPSC Code|