49-57-5351 3/8-24 Fine Thread Hex Threading Die, 1 In. Hcs

The Milwaukee 49-57-5351 is a precision threading die designed to cut clean, accurate external threads on a variety of metals including brass, aluminum, and mild steel. This 3/8-24 fine thread die features a robust 1-inch hex shank that fits seamlessly into Milwaukee Hex-LOK™ two-in-one handles or any standard 1-inch hex stock, delivering secure grip and control for consistent results. Threading dies like this are essential for machinists, fabricators, and DIY enthusiasts who need to create or repair threads on bolts, rods, and custom metal parts.

The die's precision-engineered geometry produces tight-tolerance threads that reduce rework and improve assembly reliability. Whether you're building prototypes, repairing equipment, or completing a custom metalworking project, this threading die combines durability with the accuracy needed for demanding applications. The fine 3/8-24 pitch is ideal when tight tolerances matter and smooth, professional results are required.

Features and Benefits

• 3/8-24 fine thread profile: Engineered for high-precision applications where tight tolerances and exact thread formation are critical.
• High-carbon steel construction: HCS material offers superior strength and wear resistance for extended tool life and reliable performance.
• 1-inch hex shank: Compatible with Milwaukee Hex-LOK™ handles and all standard hex die stocks, providing versatile use and secure mounting.
• Laser-etched size markings: Provides instant, unmistakable identification of thread size even in low-light shop conditions.
• Black-oxide finish: Shields the die from rust and wear.

Specifications

• Brand: Milwaukee
• Model: 49-57-5351
• Thread size: 3/8-24 fine
• Shank size: 1 in. hex
• Material: High Carbon Steel (HCS)
• Finish: Black oxide