Manufacturer Part Number: 1430308|Thread Size (Inch)|1/4-28Thread Size (mm)|Thread Standard|UNFChamfer|BottomingMaterial|High-Speed SteelCoating/Finish|TiCNThread Direction|Right HandCoolant Through|NoClass Of Fit|3BThread Limit|H3Number Of Flutes|3Flute Direction|Right HandHelix Angle|50Threads per Inch|28Thread Depth (mm)|Overall Length (Inch)|2-1/2Thread Length (Decimal Inch)|0.645Thread Length (mm)|Thread Length (Inch)|Overall Length (Decimal Inch)|2.5Overall Length (mm)|Thread Depth (Decimal Inch)|Thread Pitch (Decimal Inch)|Thread Pitch (mm)|Thread Pitch (Inch)|Material Grade|Amount Oversize (Decimal Inch)|Oversize|NoApplication|Shank Diameter (Decimal Inch)|0.255Shank Diameter (mm)|Neck Length (mm)|Neck Length (Inch)|Neck Length (Decimal Inch)|1.7Tapping Depth (Decimal Inch)|Tapping Depth (mm)|Tapping Depth (Fractional Inch)|Square Length (mm)|Square Length (Inch)|Square Length (Decimal Inch)|0.3125Square Size (Decimal Inch)|0.191Square Size (mm)|Flute Style|SpiralMaterial Application|Aluminum; Cast Aluminum; Cast Iron; High-Carbon Steel; Low-Carbon Steel; Medium-Carbon SteelSeries|107Helix Angle Range|Shank Length (mm)|Shank Length (Decimal Inch)|UNSPSC Code|Product Service Code|