Hard and long lasting Silicon Carbide Boride CS-HD stone for carbide, titanium, copper, and other non-ferrous.
CS-HD finishing stone has a harder structure and breaks down more slowly. This polishing stone can be used to polish even the hardest die and mold steels. Polishers claim excellent results with the CS-HD when finishing dies ranging in hardness from 47 to 63Rc. Many mold makers also use CS-HD for removal of EDM (electrical discharge machining) scale.
*Boride polishing stone can be sold individually or by box (look up pcs/box). Save more by purchasing in box quantity.