Drill America Jobber Length Drill Bit, Economy Heavy Duty, Series: DWDCO, Imperial, 29/64 in Drill - Fraction, 0.4531 in Drill - Decimal Inch, 5-5/8 in Overall Length, 4-3/16 in Cutting Depth, 2 Flutes, 4-3/16 in Flute Length, Round Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, Cobalt Cutting Edge, Cobalt, Gold, Applicable Materials: Stainless Steel, Inconel and Titanium