Aircraft Black Oxide Drill Bit, 12 x 3/8-In. Quikrete Formulated to expand and contract

Formulated to expand and contract with weather conditions

approved for indoor or outdoor use according to ANSI Z21

Available with optional water hammer arrestor to reduce noisy pipes

Plastic Refill Tube

Are approved for underground and behind-the-wall applications with no access panels (wrapping required when burying underground)

Aircraft Black Oxide Drill Bit, 12 x 3/8-In. Quikrete Formulated to expand and contract12" x 3 8", aircraft, black oxide, drill bit, 135 degree bit perfect to use in hard to reach areas & to run wires & cable, has split points & has a surface treated high speed steel for wear resistance.