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A stone designed for finishing process of polishing metal materials.
Suited for finishing grooves of different types of bearing and external ring surface of needle and tapered bearings.
A stone makes roughness of metal surface minimized, relieves conflict of resistance and achieves surface finish with very little alteration of material layer.
By adding proper pressure and oscillation of a stone, self-sharpening function (fracture and dropout) of grains is accelerated. This mechanism maintains a stone with-sharp cutting edges of abrasives, thus it maintains stability of grinding.