Sumitomo Electric Carbide | Cutting Tools for the Metalworking Industry
Home - Sumitomo - Cutting Tools for the Metalworking IndustrySumitomo – Cutting Tools for the Metalworking Industry Development and manufacture of Carbide, CBN, and Diamond cutting tools. Sumitomo Electric Carbide, Inc. is the world leader in CBN cutting tools. Development and manufacture of Carbide, CBN, and Diamond cutting tools. Sumitomo Electric Carbide, Inc. is the world leader in CBN cutting tools.