Sumitomo 3NU-TPGA221LS CBN Turning Insert

Optimize your finishing operations with the Sumitomo 3NU-TPGA221LS CBN Turning Insert. Featuring the high-performance BN7500 grade and a triangular positive geometry, this Japanese-made cutting tool delivers superior wear resistance and precision for machining hardened metals.

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Sumitomo 3NU-TPGA221LS CBN Turning Insert

The Sumitomo 3NU-TPGA221LS is a premium Cubic Boron Nitride (CBN) turning insert manufactured by Sumitomo Electric. Featuring a triangular positive geometry, this insert is specifically engineered for high-precision finishing operations on hardened materials. It utilizes the advanced BN7500 grade, ensuring exceptional wear resistance, thermal stability, and extended tool life. Manufactured in Japan, this insert delivers reliable performance, excellent surface finishes, and tight tolerances for your most demanding machining applications.

Technical Specifications:

  • Brand: Sumitomo Electric

  • Model: 3NU-TPGA221LS (ISO Equivalent: 3NU-TPGT110304LS)

  • Material Grade: CBN (Cubic Boron Nitride) – Grade BN7500

  • Geometry: Triangular Positive

  • Application: Finishing

  • Cutting Speed (Vc): 200 (50-300) m/min

  • Feed Rate (f): 0.1 (0.03-0.3) mm/rev

  • Depth of Cut (ap): 0.004 (0.001-0.012) inch

  • Country of Origin: Made in Japan

Sumitomo 3NU-TPGA221LS CBN Turning Insert Description

BrandSumitomo
Model3NU-TPGA221LS

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