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Sumitomo Electric Hartmetall

 

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Sumitomo produces a large range of indexable inserts and solid carbide tools for milling and drilling applications made from its own-manufactured carbide, cermet, silicon nitride, CBN (cubic boron nitride) and PKD (polycrystalline diamond).

Sumitomo is a recognised market leader and pioneer in the field of CBN processing.

> Visit the SUMITOMO website