Milwaukee 49-57-5591 1/4′-18 NPT Straight Flute Plug Tap & 7/16′ Drill Bit

Crafted from high carbon steel, this 1/4″-18 NPT straight flute plug tap, paired with a 7/16″ drill bit, is designed to last while providing precision and reliability for both creating and repairing threads in various metals, including brass, aluminum, and mild steel. The black oxide coating not only enhances durability by providing corrosion resistance but also signifies the tool’s professional quality, while the long-lasting laser etch markings ensure clarity during use. Intended for hand tapping, it features a square shank that is compatible with standard tap handles or wrenches, making it versatile and user-friendly. The included drill bit is thoughtfully designed for use with drill drivers, allowing for efficient pre-drilling, and together they deliver optimal results, especially when used with cutting fluid for smoother operation.