Milwaukee 49-57-5508 4-40 NC Straight Flute Plug Tap & #43 Drill Bit

Engineered for precision and durability, this 4-40 NC Straight Flute Plug Tap paired with a #43 Drill Bit is an essential tool for anyone looking to create or repair clean, accurate threads in various metal materials, including brass, aluminum, and mild steel. The high carbon steel construction ensures long-lasting performance, while the black oxide coating offers enhanced corrosion resistance, making it suitable for demanding environments. Each tap is precision machined and features a straight flute design, tailored for everyday threading applications, and the included drill bit is specifically crafted for seamless compatibility with drill drivers. For optimal results, using cutting fluid is encouraged, and the long-lasting laser-etched markings on the tap provide clear visibility for easy operation.