#1000 Bellstone Polishing Stone For Mold

Polishing stone is a bonded abrasive tools, which is made of abrasive, binding, and pore. Binding bonds the abrasive together, then high temperature sintering. The abrasive is the main raw material of the oil stone. Manly edges on the surface of the oil stone is cutting edge of the machining workpieces. Polishing oil stone is commonly used in grinding polishing the cutting tools machine ...