Carmex Precision Tools LLC
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Carmex Precision Tools offers a comprehensive line of high-performance cutting tools, including thread mills, drill/thread mills, Swiss-style tooling, and solutions for deep grooving and threading. Known for exceptional tool life and precision, Carmex products are widely used in medical, aerospace, automotive, and general machining applications.
In Missouri and Kansas, Carmex tooling supports high-precision threading operations in both job shop and production machining environments, with local access and technical support provided through Factory Tooling Solutions. Whether machining complex parts on CNC lathes or Swiss-style machines, Carmex delivers consistent performance in difficult materials and tight-tolerance applications. |
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Featured Products
HBA Carbide Grade – Engineered for
Hardened Materials and Tough Alloys
Carmex’s HBA carbide grade is a high-performance submicron carbide optimized for threading hardened steels, stainless steels, high-temperature alloys, and exotic materials. Developed for exceptional wear resistance and edge stability, HBA is coated with a specialized PVD layer that enhances heat resistance and minimizes built-up edge during cutting.
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This grade excels in high-speed threading applications on materials with hardness ratings up to 62 HRC, delivering longer tool life and superior thread quality even under interrupted cuts or challenging surface conditions.
It’s available across a wide range of Carmex insert geometries, including laydown threading, spiral mill-thread, and DMT multi-functional tools—making it a go-to choice for aerospace, medical, and high-precision general machining. |
- Read our article about this: Carmex HBA Grade: A New Standard for Threading in Hardened Steel and Super Alloys
Spiral Mill-Thread
The Carmex Spiral Mill-Thread line offers a highly efficient solution for producing internal and external threads, with outstanding chip control and surface finish quality. These solid carbide thread mills feature a helical flute design that supports smoother cutting action and faster feed rates, reducing cycle time. Available in a wide range of thread profiles—including UN, Metric, NPT, and BSPT—the Spiral Mill-Thread series covers diameters from M1.6 (0.062") up to M48 (1.890").
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Tools are offered with a TiAlN coating as standard, enhancing wear resistance, thermal stability, and tool life, especially in difficult materials like hardened steels, stainless steels, and titanium alloys.
A short-thread version is also available for shallow-thread applications, optimizing strength without sacrificing performance. Whether for general machining or high-performance aerospace threading, Spiral Mill-Thread delivers consistent results with excellent repeatability. |
DMT, Drill-Mill-Thread: Multi-Functional Tooling
The Carmex DMT (Drill-Mill-Thread) series is designed to perform drilling, chamfering, and thread milling—all with a single tool. Manufactured from ultra-fine micrograin solid carbide and standard with a TiAlN PVD coating, DMT tools deliver high strength, heat resistance, and exceptional tool life.
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The product line is engineered for thread diameters ranging from M4 (0.157") to M16 (0.629") and can handle a wide variety of materials, including steels, stainless steels, cast iron, and non-ferrous metals. Offered with both 2-flute and 3-flute designs depending on the size,
DMT tools allow for excellent chip evacuation and high productivity even in deep-hole applications. This all-in-one solution is ideal for reducing tool changes, improving machine uptime, and maintaining tight tolerances on high-volume production jobs. |
Laydown Inserts
Carmex Laydown Threading Inserts are precision-ground and engineered for high-accuracy internal and external threading across a wide range of applications. Available in a complete range of thread profiles—UN, ISO Metric, Whitworth, NPT, BSP, and more—these inserts fit standard laydown toolholders, ensuring versatility in shop setups. Manufactured using advanced submicron carbide grades, Carmex inserts are available with TiN, TiAlN, and multi-layer coatings to optimize wear resistance, reduce friction, and extend tool life.
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Insert styles are offered with different chipbreaker geometries to match material types and cutting conditions, from roughing to fine finishing operations.
Sizes cover a wide range of pitches and thread depths, allowing shops to achieve consistent, high-quality threads in both standard and special forms. Whether threading mild steel, hardened alloys, or non-ferrous materials, Carmex laydown inserts are built to maximize performance and reliability. |
