Uses: used for grinding, polishing high tensile strength metal material plane within R, the outer R surface (such as ordinary carbon steel, hard bronze, alloy steel, malleable iron, hardened steel, alloy steel, etc.) can also be used precision casting and high-grade refractory grinding and polishing.Characteristics: This product uses the one-component adhesives, with safety, environmental protection and other advantages, self-sharpening grit constantly maintain lasting sharpness, does not change the shape of the work piece and other characteristics, and ultimately make the product more than 96% utilization.

Specifications: outer diameter (4’’ 4-1/2’’ 5’’ 6’’ 7’’) X hole (16mm or 22mm)Grit.: A40 – A800（Z36 – Z120\C40-C600）