Unlock superior machining stability and cost efficiency with the Korloy TNMG160404-HA PC8110 — one of the most trusted PVD turning inserts for difficult-to-cut materials:

Key Features & Specifications:

 

  • Insert geometry / style: TNMG, negative geometry, 60° triangle.

  • Chip breaker / subtype: “HA” style (medium / finish) — optimized for controlled chip flow and edge strength.

  • Grade / Coating: PC8110 PVD (S10 class) — universal grade for medium to finishing in heat-resistant alloys and stainless steels. 

  • Application range: Best suited for stainless steels, heat-resistant alloys (Inconel, Hastelloy, etc.), exotics, some pre-hardened steels. 

  • Cutting conditions (typical):
      • vc = 40–90 m/min (varies by workpiece) 
      • feed (fn) ~ 0.1–0.3 mm/rev
      • depth of cut (ap) ~ 1.5–3 mm (medium to finishing) 

  • Strengths: excellent wear resistance, good chipping resistance, oxidation resistance at high temperature, stable tool life under continuous cutting.

Why It’s a Best Seller:

  • Delivers lower downtime — predictable tool life and less frequent insert changes.

  • Offers better surface finish even in tough materials — thanks to stable edges and chip control.

  • High wear and oxidation resistance even at elevated cutting temperatures.

  • Balanced toughness and hardness — resists chipping while holding edge in demanding cuts.

  • Wide compatibility — works across many materials, reducing the need to stock many different grades.

Application Industries:

  • When turning Inconel 718 or other nickel-based alloys, PC8110 with HA chip breaker gives stable performance even under thermal stress. 

  • In interrupted cuts or variable depth, the HA chip breaker maintains chip flow while resisting edge damage.

  • For shops running varied components, one insert covers a broader material range, reducing complexity in tool inventory.

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Frequently Asked Questions

This insert is ideal for stainless steels, heat-resistant alloys (Inconel, Hastelloy), exotics, and some pre-hardened steels. It excels in medium to finishing operations in these challenging materials.

The HA chip breaker is designed for medium to finishing cuts. It balances chip control, cutting force reduction, and edge strength — ideal when you want both longevity and stable performance.

  • PC8105: optimized more toward finishing operations with very high wear resistance. 

  • PC8115: more forgiving in roughing/medium cuts with stronger edge resistance in variable conditions. 

  • PC8110 sits in the middle — a solid universal grade for medium → finish. It gives a good balance of

A good starting point is vc ~ 40–90 m/min, feed 0.1–0.3 mm/rev, ap ~1.5–3 mm — adjust as per workpiece and machine rigidity.  Always test and fine-tune for your setup

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