Manufacturer Part Number: 1715501|Thread Size (Inch)|1/4-28Thread Size (mm)|Material|Powdered MetalCoating/Finish|OxideChamfer|PlugClass Of Fit|Thread Limit|H3Number Of Flutes|3Thread Standard|UNFOverall Length (Decimal Inch)|2.72Overall Length (mm)|Overall Length (Inch)|2-1/2Thread Pitch (Decimal Inch)|Thread Pitch (mm)|Material Grade|Thread Length (Decimal Inch)|0.838Thread Length (Inch)|1Thread Length (mm)|Thread Depth (Decimal Inch)|Thread Depth (mm)|Shank Diameter (mm)|Shank Diameter (Decimal Inch)|0.318Square Length (Inch)|0.375Square Length (mm)|Square Size (Decimal Inch)|0.1910Square Size (mm)|Application|TappingMaterial Application|Series|314Helicoil Reference Number|Threads per Inch|28UNSPSC Code|27112806