CBN stone on copper-tin (Metallic) bond of Poltava Diamond Tool Factory. Monolayer bar on a blank for Hapstone sharpeners The stones are on the new M1001 binder - improved binder...
Diamond Stone on copper-tin bond of Poltava Diamond Tool (PDT). Monolayer grit on a blank for Hapstone sharpeners The stones are on the new M1001 binder - improved binder of 2021,...