Hcs #4‑40 Coarse Straight-flute Plug Tap – Precision Threading Tool

Introducing the Milwaukee HCS #4‑40 Coarse Straight‑Flute Plug Tap, a high‑precision threading instrument built for fast, reliable hole preparation. Crafted from hardened carbon steel, this tap delivers clean, accurate internal threads in a variety of soft and medium metals. Its straight‑flute geometry reduces chip packing, while the square shank fits any standard tap holder for effortless operation. Paired with cutting fluid, it ensures smooth cuts and extends tool life.

Why choose this plug tap? The robust construction resists wear and corrosion, delivering consistent performance on brass, aluminum, mild steel, and similar alloys. Laser‑etched size markings stay visible even after repeated use, helping you work faster and more accurately.

• Hardened Carbon Steel (HCS): Provides exceptional strength and longevity for demanding metalworking tasks.
• Coarse #4‑40 Thread Profile: Ideal for quick, strong threads in low‑torque applications.
• Straight‑Flute Design: Enhances chip evacuation, reducing the risk of tap breakage.
• Laser‑Etched Sizing: Guarantees clear, permanent identification for fast tool selection.
• Protective Black Oxide Finish: Offers corrosion resistance and a non‑slipping grip during use.

Experience professional results: Whether you are repairing an existing thread or creating a new one, this Milwaukee plug tap delivers the accuracy and durability professionals demand. Its compatibility with universal tap handles makes it a versatile addition to any workshop or job site. Trust Milwaukee’s engineering to keep your projects on schedule and your threads flawless.