pQualtech Taper Length Drill, Series DWDTLCT, 1732 in Drill Size Fraction, 05312 in Drill Size Decimal Inch, 8 in Overall Length, 434 in Cutting Depth, 2 Flutes, 434 in Flute Length, Round Shank, 118 deg Point, Conventional Point, Right Hand Cutting Direction, Carbide Cutting Edge, Bright, Applicable Materials Cast Iron, NonFerrous Metals and Many Compositesp.