Milwaukee 5/16"-24 NF Plug Tap

Milwaukee 5/16"-24 NF Plug Tap

The Milwaukee 49-57-5144 5/16"-24 NF Plug Tap is a precision-machined threading tool designed for clean, accurate internal threads in fine-thread applications. Built with high carbon steel and finished with a black oxide coating, it offers durability and corrosion resistance for consistent performance. The straight flute design makes it ideal for general-purpose threading, while the plug style is perfect for through-hole work—helping you get smooth, reliable threads without unnecessary headaches.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 49-57-5144
• Brand: Milwaukee
• Size / Thread: 5/16"-24 NF (National Fine)
• Product Type: Plug tap for internal threading
• Material: High Carbon Steel
• Finish: Black Oxide coating for corrosion resistance
• Tap Style: Straight flute for general-purpose threading
• Tap Type: Plug tap designed for through holes
• Shank: Square shank compatible with standard tap handles and wrenches
• Markings: Laser-etched for clear, long-lasting visibility
• Application Materials: Suitable for brass, aluminum, mild steel, and similar metals
• Usage Note: Hand use recommended — not for power tools
• Recommended Use: Best results with cutting fluid

Ideal For

• Creating or repairing internal fine threads
• Through-hole threading in metal materials
• General shop, mechanical, and fabrication work
• Users needing precise, consistent threading performance
• Anyone who prefers threads that go in smoothly—instead of stopping halfway and making you question everything