49-57-5371 5/8-18 Fine Thread Hex Die, 1-7/16-in, Black

The Milwaukee 49-57-5371 is a precision-machined hex die designed to create and repair clean, accurate external threads in a variety of materials. This 5/8-18 fine thread die features a 1-7/16-inch hex drive that fits standard die stocks and ordinary wrenches, making it a versatile threading solution for professional machinists, mechanics, and DIY enthusiasts working on metal fabrication and repair projects.

Whether you're threading brass, aluminum, or mild steel, this high-carbon steel die delivers consistent, reliable thread geometry that minimizes rework and maximizes productivity. The black-oxide coating provides superior rust resistance, ideal for workshop environments, while the laser-etched size markers ensure instant, error-free identification during setup and use.

Features and Benefits

• Precision Machined: Guarantees tight tolerances and flawless thread profiles for professional-quality results on every job.
• High Carbon Steel Construction: Durable material that withstands repeated use and maintains cutting performance across soft alloys and tougher steels.
• Black-Oxide Coating: Rust-resistant finish that extends tool life and maintains performance in humid or demanding workshop conditions.
• Laser-Etched Markings: Clear, permanent size indicators eliminate guesswork and speed up tool identification and setup.
• 1-7/16-inch Hex Drive: Fits standard die stocks and ordinary wrenches for flexible operation.
• Multi-Metal Capability: Cuts clean threads in brass, aluminum, and mild steel for versatile fabrication and repair applications.

Specifications

• Brand: Milwaukee
• Model: 49-57-5371
• Thread Size: 5/8-18 Fine Thread
• Hex Drive Size: 1-7/16 inches
• Material: High Carbon Steel
• Coating: Black Oxide
• Color: Black