Manufacturer Part Number: 12983-010|Thread Size (Inch)|1/4-28Thread Size (mm)|Overall Length (Inch)|2-23/32Overall Length (Decimal Inch)|Chamfer|BottomingThread Limit|H3Thread Standard|UNFMaterial|High-Speed SteelThread Length (Inch)|1-1/8Thread Length (Decimal Inch)|Thread Length (Decimal Inch)|Shank Diameter (Decimal Inch)|0.3180Shank Diameter (Inch - 0 Decimals)|.3180Shank Diameter|0.3750Square Length (Decimal Inch)|Square Length (Inch)|3/8Square Size (Decimal Inch)|0.2380Square Size (mm)|0.238in75% Thread Drill Size|0.2780Material Application|Application|Series|BXSTIClass Of Fit|Coating/Finish|Bright/UncoatedProduct Service Code|UNSPSC Code|23241600