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Next-Generation PR20 Series Insert Coating Technology for Grooving Applications

PR20 Series insert coating technology for indexable grooving tools for steel, stainless, and cast iron.

KYOCERA is proud to introduce the groundbreaking PR20 Series insert coating technology for indexable grooving tools, designed specifically for machining steel, stainless steel, and cast iron.

Featuring Kyocera’s proprietary MEGACOAT NANO EX coating technology, this next-generation PVD coating delivers exceptional performance across various grooving applications. MEGACOAT NANO EX is engineered with high-content aluminum nano layers, providing stable high-temperature hardness and exceptional wear
and oxidation resistance. These attributes translate to significantly enhanced tool life and reliability, even under the most demanding machining conditions.

Currently available for Kyocera’s popular GBA external and SIGE internal grooving systems, the new PR20 Series ensures precision and longevity in every cut. The innovative multi-layered structure of MEGACOAT NANO EX not only increases the durability of the inserts but also maintains superior cutting performance throughout extended use. By optimizing the balance between hardness and toughness, these new grades set a new standard across a variety of grooving operations, helping machinists achieve consistent, high-quality results while reducing tool changeovers and downtime.

Features & Benefits

  • PR2015 – 1st recommendation for steel and cast iron with excellent balance of hardness, toughness and
    versatility
  • PR2025 – Stability oriented for steel and 1st recommendation for stainless steel with excellent fracture
    resistance and high stability for interrupted machining
  • Excellent surface finish
  • Superior wear and fracture resistance
  • High temperature hardness and plastic deformation resistance
  • Special nano coating layer with high aluminum content
  • Suppresses hexagonal crystal precipitation and achieves excellent oxidation resistance

PR20 for GBA External Grooving Series:

  • Available Groove Widths: 0.013” – 0.189” | 0.33mm – 4.8mm
  • Available Groove Depths: 0.031” – 0.197” | 0.8mm – 5.0mm
  • 3-edge inserts available in ground chipbreaker, molded chipbreaker, or full radius styles
  • Learn more about the GBA Series

PR20 for SIGE Internal Grooving Series:

  • Available Groove Widths: 0.039” – 0.197” | 1mm – 5mm
  • Available Groove Depths: 0.059” – 0.256” | 1.5mm – 6.5mm
  • 2-edge inserts available in ground chipbreaker, molded chipbreaker, or full radius styles
  • Learn more about the SIGE Series
Gba pr20 insert tools

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