49-57-5155 7/16-14 Coarse Straight Flute Plug Tap, High Speed Steel

The Milwaukee 49-57-5155 is a precision threading tool designed for creating clean, accurate internal threads in a single pass. Built from high-speed steel with a durable black-oxide finish, this plug tap handles brass, aluminum, mild steel and other common alloys with reliability and speed. The straight-flute geometry and coarse 7/16-14 thread profile make it ideal for professionals who need to reduce cycle time and tool wear while maintaining consistent thread quality.

Whether you're working on high-volume production, maintenance, or repair jobs, this Milwaukee tap delivers the hardness and corrosion resistance required in demanding workshop and field environments. The square shank fits any standard tap handle, making it easy to integrate into your existing toolset without additional investment in specialized equipment.

Features and Benefits

• High-Speed Steel Construction: Provides exceptional hardness and wear resistance for long-lasting performance in demanding metalworking applications.
• Coarse 7/16-14 Thread Profile: Enables rapid thread creation in larger diameter holes where strength and speed are critical to your workflow.
• Straight-Flute Design: Delivers clean, accurate internal threads with minimal tool wear and reduced need for multiple passes.
• Black-Oxide Coating: Offers superior corrosion protection, keeping the tap functional in humid, oily or challenging shop environments.
• Laser-Etched Sizing: Guarantees crisp, readable markings that survive cutting fluids, oil, coolant and repeated heavy use.
• Square Shank Compatibility: Works seamlessly with all standard tap handles and wrenches, enabling easy integration into existing toolsets.

Specifications

• Brand: Milwaukee
• Model: 49-57-5155
• Size: 7/16-14
• Thread Type: Coarse
• Flute Type: Straight
• Material: High-speed steel
• Finish: Black oxide