A na-eme ncha nke tungsten carbide saws na igwe igwe na-egweri multi-axis nke CNC na-eji wiil diamond. Anyị na-eji wiil diamond grit mara mma na igwe na-amụba Vollmer maka nchacha nke ọma. Ya mere, anyị hụrụ agụba na mma arụmọrụ na-arụpụta ezigbo imecha na-enweghị chipping. Na anyị steeti-nke na-art akpaka carbide grinders maka carbide nha nha agụba atụgharị zuru okè onu mgbe ọ bụla.