Straight Flute Plug Tap 9/16‑18 Fine Thread – Hcs, Black‑oxide Finish

Introducing the Milwaukee straight‑flute plug tap, a precision‑engineered tool designed for 9/16‑18 fine‑thread applications. Crafted from high‑speed steel (HCS) and finished with a durable black‑oxide coating, this tap delivers sharp, clean internal threads in brass, aluminum, mild steel and other common alloys.

Why choose this plug tap? Its exacting geometry ensures consistent thread depth while reducing the risk of cross‑threading, making it ideal for both new holes and repair work. The robust construction and corrosion‑resistant finish extend tool life, delivering reliable performance on the shop floor or in the field.

• Straight‑flute design: Optimized for through‑hole threading, providing smooth chip evacuation and superior surface finish.
• Fine‑thread capability (9/16‑18): Perfect for precision assemblies where tight tolerances are critical.
• High‑speed steel (HCS) material: Offers high wear resistance and maintains cutting edge sharpness longer than standard carbon steel.
• Black‑oxide coating: Provides excellent corrosion protection and reduces friction during cutting.
• Laser‑etched sizing marks: Clear, permanent identification for quick tool selection and reduced setup time.

Experience the Milwaukee advantage: Whether you’re fabricating components, performing maintenance, or tackling a repair, this plug tap delivers the accuracy and durability professionals demand. Paired with appropriate cutting fluid, it minimizes torque and heat buildup, ensuring flawless threads every time. Upgrade your metalworking arsenal with a tap that combines precision engineering, long‑lasting performance, and effortless usability.