Milwaukee® aircraft length black oxide drill bits are ideal for extra reach and deep drilling applications in metal, wood and PVC. The 135 deg split point tip delivers a precision start and prevents walking for fast, accurate holes. The 3-flat Secure-Grip™ shank holds the bit firmly in the drill chuck to prevent slipping.

Milwaukee® Thunderbolt® Aircraft Length Drill Bit, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, 12 in Overall Length, 3-3/16 in Cutting Depth, Parabolic Flute, 3-3/16 in Flute Length, 1/4 in Shank, 3-Flat Shank, 135 deg Point, Split Point, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Metal, Plastic and Wood