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Product OverviewThe Kyocera VNBR0420-003 is a KW10-grade uncoated carbide micro boring insert designed for precision micro boring. Manufactured in Japan under ISO 9001:2015 quality standards, this insert combines an ultra-fine grain substrate with precision-ground geometry to deliver premium surface..

Product OverviewThe Kyocera VNBR0420-003NB is a KW10-grade uncoated carbide micro boring insert (NB — no chipbreaker) designed for precision micro boring. Manufactured in Japan under ISO 9001:2015 quality standards, this insert combines an ultra-fine grain substrate with precision-ground geometry to..