Manufacturer Part Number: 1806700|Thread Size (mm)|Thread Size (Inch)|1/4-28Thread Standard|UNFThread Limit|H2Thread Pitch|Thread Length (Inch)|1Thread Length (Decimal Inch)|1.0000Thread Length (mm)|Overall Length (Decimal Inch)|Overall Length (Inch)|2-1/2Overall Length (mm)|Chamfer|BottomingMaterial|High Speed SteelShank Diameter (Inch - 0 Decimals)|0.2550Shank Diameter|0.2550inShank Diameter (mm)|Shank Diameter (Decimal Inch)|0.2550Square Length (mm)|Square Length (Inch)|Square Size (mm)|Square Size (Decimal Inch)|0.1910Material Application|Aluminum; Carbon Steel; Cast Iron; Hardened SteelSeries|126Helicoil Reference Number|Number Of Flutes|3Class Of Fit|Coating/Finish|BrightProduct Service Code|UNSPSC Code|