Tool-related products (diamond grinding, cutting, wear resistance, electrodes)
The ultra-precision diamond cutting tools enable high-precision processing at the nanometer level. The grinding wheels achieve high-efficiency, high-grade processing. Diamond drawing dies ranging from the world's largest with a diameter of 29 mm up to the world's smallest class of diameter 8 μm are suitable for various applications. Sumitomo Electric’s diamond tools are used in various fields, such as automobiles, precision devices, construction and civil engineering industries.