The Carmex Spiral Mill Threading Insert for Whitworth threads (H45-11WMT7) is a precision spiral threading solution built for a wide range of machines and workpieces. It’s ideal for professionals who need reliable Whitworth thread accuracy—from small components on compact CNC centers to demanding jobs on high‑power milling machines.

Featuring a spiral geometry and a smart clamping system, this insert delivers smooth cutting at higher feed rates, helping you finish threads faster without sacrificing quality.

• Smooth, fast threading with spiral geometry: The spiral mill-threading design enables smooth cutting at high feed rates, reducing cycle time while maintaining thread accuracy.
• Compact, multi-insert holder (1–9 inserts): Spiral fluted toolholders hold 1 to 9 inserts in a small cutting diameter, enabling longer uninterrupted work and fewer tool changes.
• Durable MT7 TiN-coated inserts for universal material compatibility: Sub‑Micron MT7 inserts with a Titanium Nitride multi-layer coating (ISO K10–K20) provide long wear life and reliable performance across a wide range of materials.

With these features, the Carmex Spiral Mill Threading Insert helps you achieve consistent Whitworth thread quality, reduce downtime, and improve overall workflow. The combination of vibration damping and precise indexing supports repeatable results, while the versatile inserts and coating extend tool life across materials, boosting productivity and confidence in every job.