DEWALT DD4119B12 Drill Bit, Machine, 19/64In, Cobalt, PK12. More details: Drill Bit, Screw Machine Length, Number of Pieces 12, M42 Cobalt Grade, Cobalt, Straw Finish, Split, Drill Point (Deg.) 135, Fractional Size (In.) 19/64, Metric Size 0.296875, Decimal Equivalent 0.296875, Flute Length (In.) 1 9/16, Flute Length (mm) 40, Overall Length (In.) 2 3/4 In., Overall Length (mm) 70, Shank Dia. (In.) 19/64 In., Shank Dia. (mm) 7.540625, Drilling, Meets/Exceeds Meets All ASI Specs Except Flute Length, Flute Length is Shorter Than ANSI Spec, Package Quantity 12