Milwaukee 8-32 NC Straight Flute Plug Tap & #29 Drill Bit includes a precision machined Plug Tap designed for creating or repairing clean, accurate internal threads, paired with the corresponding drill bit for piloting. The Plug Taps are laser-etched with long-lasting sizing for clear markings and feature a protective Black Oxide coating to resist corrosion. Their square shank fits all standard tap handles or tap wrenches and is engineered for through-hole threading. Built for durability, these taps cut threads effectively in common metals such as brass, aluminum, and mild steel. The drill bit is optimized for use with drill drivers. For optimal performance, it is to use the Plug Taps with cutting fluid. Model Number: 49-57-5521