Experience precision turning like never before with the Kyocera TNMG160408CQ CJ225P. Featuring a classic TNMG triangular negative design, it delivers six cutting edges per insert, maximizing tool life. The 0.8 mm corner radius ensures smooth, precise finishing, while the CQ chip breaker optimizes chip control during light to medium cuts in steel. 

Its CJ225P CVD-coated carbide grade offers exceptional toughness and wear resistance, perfectly suited for steel, stainless steel, cast iron, and forging materials—making it reliable for consistent high-quality turning operations.

“Finish stronger. Turn smarter. Cut costs with Kyocera TNMG160408CQ CJ225P.”

Key Features

  • Geometry: 60° triangular negative insert (TNMG), six cutting edges, 0.8 mm corner radius, CQ chipbreaker.

  • Grade: CJ225P CVD-coated carbide—tough, wear-resistant finish tool.

  • Applications: Ideal for finishing/medium turning on steel, stainless steel, cast iron, and forging materials.

Why It’s a Best Seller

  • Less downtime due to extended tool life and tough coating.

  • Superior surface finish—smooth edges even in tough materials.

  • Efficient chip control thanks to CQ breaker, reducing plug formation and machine stops.

  • Versatile, simplifying tooling needs across varying materials.

Applications

Widely trusted in automotive, aerospace, die & mold, heavy engineering, and general machining for precision and consistency.

Benefits

  1. Extended Tool Life

    • The CJ225P CVD coating provides high wear resistance, meaning fewer insert changes and reduced tooling costs.

  2. Excellent Surface Finish

    • The CQ chip breaker ensures smooth chip evacuation, resulting in better part quality and reduced rework.

  3. Lower Cost per Component

    • Six cutting edges per insert maximize usage, reducing cost per piece compared to single-edge inserts.

  4. Stable Cutting in Tough Materials

    • Performs reliably on steel, stainless steel, cast iron, and forgings, even under demanding conditions.

  5. Reduced Downtime

    • Consistent wear behavior and strong edge toughness minimize unexpected insert failures, keeping machines running longer.

  6. Versatile Applications

    • One insert covers multiple materials and industries, reducing inventory complexity and setup time.

Order Now

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Frequently Asked Questions

It is a 60° triangular (TNMG) negative insert with a 0.8 mm corner radius and six cutting edges for efficient usage.

This insert uses the CJ225P CVD-coated carbide grade with a CQ chipbreaker for optimal chip formation and stability during finishing to medium cuts.

Ideal for steel, stainless steel, cast iron, and forging materials, offering universal versatility for various turning tasks.

It delivers excellent tool life, consistent surface finish, and reliable chip control, reducing downtime and scrap—perfect for demanding production environments.

Favored across automotive, aerospace, heavy engineering, die & mold, and general machining sectors where material toughness and precision matter.