Manufacturer Part Number: BU513710.5639|Thread Size (Inch)|1/4-28Thread Size (mm)|Material|CobaltCoating/Finish|Titanium NitrideChamfer|BottomingClass Of Fit|3BThread Limit|H2Number Of Flutes|3Thread Standard|STI UNFOverall Length (Decimal Inch)|3.5430Overall Length (mm)|Overall Length (Inch)|Thread Pitch (Decimal Inch)|Thread Pitch (mm)|Material Grade|Thread Length (Decimal Inch)|0.3571Thread Length (Inch)|Thread Length (mm)|Thread Depth (Decimal Inch)|Thread Depth (mm)|Shank Diameter (mm)|Shank Diameter (Decimal Inch)|0.3180Square Length (Inch)|Square Length (mm)|Square Size (Decimal Inch)|0.3180Square Size (mm)|Application|Blind Hole ThreadingMaterial Application|Stainless Steel; SteelSeries|BU513710Helicoil Reference Number|Threads per Inch|28UNSPSC Code|