5/16‑18 Coarse Straight Flute Plug Tap – Hcs, Laser‑etched, Black Oxide

Discover Milwaukee 5/16‑18 Coarse Straight Flute Plug Tap, a high‑speed‑steel tool engineered for precise through‑hole threading in a range of metals. The tap features a clean, laser‑etched size stamp and a durable black‑oxide finish that resists rust while delivering consistent performance in demanding shop environments.

Why it matters: This plug tap produces accurate internal threads with minimal chatter, reducing re‑work and extending the life of your assemblies. Its robust construction tackles brass, aluminum, mild steel and other common alloys, giving you confidence on every job.

• Straight flute geometry: Optimized for rapid chip evacuation and smoother cuts in coarse 5/16‑18 threads.
• High‑speed steel (HCS) material: Provides superior wear resistance and longevity for frequent use.
• Laser‑etched sizing: Guarantees instant, legible identification, eliminating guesswork on the bench.
• Black‑oxide coating: Offers corrosion protection and a non‑slipping grip during operation.
• Square shank design: Fits all standard tap handles and wrenches, ensuring secure drive and easy alignment.

Engineered for professionals: Whether you’re repairing a worn thread or creating a new opening, this Milwaukee plug tap delivers clean, repeatable results. Pair it with appropriate cutting fluid to maximize chip removal and surface finish. Choose a tool that combines durability, precision, and convenience—perfect for automotive, aerospace, and general manufacturing applications.