Manufacturer Part Number: T1604402B|Thread Size (Inch)|1/4-20Thread Size (mm)|Thread Standard|Chamfer|Modified BottomingMaterial|Vanadium High-Speed SteelCoating/Finish|OxideThread Direction|Right HandCoolant Through|NoClass Of Fit|2BThread Limit|Number Of Flutes|3Flute Direction|Right HandHelix Angle|40Threads per Inch|Thread Depth (mm)|Overall Length (Inch)|2-1/2Thread Length (Decimal Inch)|Thread Length (mm)|12.00Thread 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|3% VanadiumAmount Oversize (Decimal Inch)|Oversize|NoApplication|Shank Diameter (Decimal Inch)|Shank Diameter (mm)|6.48Neck 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)|Square Size (mm)|Flute Style|FastMaterial Application|Stainless SteelSeries|Helix Angle Range|Shank Length (mm)|Shank Length (Decimal Inch)|UNSPSC Code|Product Service Code|