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,...
CBN stone on an organic phenol-formaldehyde bond BN-130 with 100% concentration and CBN powder grade (cubic boron nitride, elbor). Monolayer stone on the Hapstone sharpener blank. CBN stones are the...
