Milwaukee® Jobber Length Drill Bit, Series: Thunderbolt® Secure-Grip™, Imperial, 23/64 in Drill - Fraction, 0.3594 in Drill - Decimal Inch, 4-7/8 in Overall Length, 3-1/2 in Cutting Depth, Parabolic Flute, 3-1/2 in Flute Length, 3/8 in Shank, 3-Flat Shank, 135 deg Point, Split Point, Steel Cutting Edge, Steel, Titanium Coated, Applicable Materials: Ferrous Metal, Non-Ferrous Metal, Plastic and Wood