The Carmex Spiral Mill Threading Insert – NPT is a versatile spiral-fluted threading tool designed for a broad range of machining tasks. It excels on both small machining centers and high‑power milling machines, delivering reliable threading and precision milling performance across materials.

Its spiral design enables smooth cutting at high feed rates, significantly reducing overall machining time without compromising finish. The result is consistent, dependable results whether you’re threading, roughing, or finishing, with less vibration and fewer interruptions on the shop floor.

• Smooth, Fast Cutting with Reduced Vibration: Spiral geometry delivers a stable cut at high feeds, lowers chatter, and shortens cycle times for threading and milling applications.
• Compact Insert Capacity with Optimal Indexing: Spiral fluted toolholders hold 1 to 9 inserts in a comparatively small cutting diameter, with a unique clamping method that enables precise, repeatable indexing for consistent results.
• MT7 Sub‑Micron TiN‑Coated Inserts for All Materials: Inserts are available in MT7 Sub‑Micron Grade with Titanium Nitride multi‑layer coating (ISO K10–K20), a general‑purpose option designed to perform reliably across a wide range of materials.

Together, the Carmex Spiral Mill Threading Insert – NPT provides a robust, adaptable solution for professional threading and milling tasks. It supports high‑quality finishes, reduces downtime, and offers dependable performance from setup to machining completion on diverse materials.