�  sumitomo cutting tools-cutting tool, drill bit

sumitomo cutting tools-cutting tool, drill bit

Cutting Tool

Drill Bits

Oil Drill Bits

Mining Bits

Drill Collars

Drill Pipes

Drilling Tools

Bit Coals

About CBN AND PCD Grades

Through advanced metallurgy research, Sumitomo provides a wide variety of polycrystalline cubic boron nitrides (CBN) and polycrystalline diamonds (PCD) that contribute to the advancement of technology and cutting tool performance. Ideal for high-speed, high-hardness applications, our CBN can take on alloy steels with hardnesses greater than 45 Rockwell C, as well as a variety of types of cast irons and cast steels. Our PCD grades DA2200, DA150, DA200 and DA90 provide the toughness of cemented carbide and wear resistance of diamond. It was specially developed for machining of non-ferrous materials. This truly revolutionary grade is available for turning, milling, boring and other demanding machining applications.

CBN AND PCD Grades Products


Contact Us

  • A&S Carbide Cutting Co., Ltd.
  • Address:469 Xinsheng Road, Gaoxin District, Chengdu, Sichuan, China
  • Tel:+86-28-66707530
  • Fax:+86-28-86129221
  • Email:cuttingtool@attachment8.com
  • Contact Person:Leo Zhang
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