Manufacturer Part Number: 9039190063500|Thread Size (Inch)|1/4-20Thread Size (mm)|Thread Standard|UNCChamfer|Modified BottomingMaterial|CobaltCoating/Finish|Bright/UncoatedThread Direction|Right HandCoolant Through|NoClass Of Fit|2BThread Limit|H4; H5Number Of Flutes|3Flute Direction|Right HandHelix Angle|40Threads per Inch|20Thread Depth (mm)|Overall Length (Inch)|2-1/2Thread Length (Decimal Inch)|0.5120Thread Length (mm)|Thread Length (Inch)|Overall Length (Decimal Inch)|2.5000Overall Length (mm)|Thread Depth (Decimal Inch)|Thread Pitch (Decimal Inch)|Thread Pitch (mm)|Thread Pitch (Inch)|Material Grade|Amount Oversize (Decimal Inch)|Oversize|NoApplication|Blind Hole ThreadingShank Diameter (Decimal Inch)|0.2550Shank Diameter (mm)|Neck Length (mm)|Neck Length (Inch)|Neck Length (Decimal Inch)|Tapping Depth (Decimal Inch)|Tapping Depth (mm)|Tapping Depth (Fractional Inch)|Square Length (mm)|Square Length (Inch)|Square Length (Decimal Inch)|Square Size (Decimal Inch)|0.1910Square Size (mm)|Flute Style|FastMaterial Application|Alloyed Steel; Unalloyed SteelSeries|3919Helix Angle Range|Shank Length (mm)|Shank Length (Decimal Inch)|UNSPSC Code|Product Service Code|