该型号产品适用于精密级轴承的内外沟道的超精，作粗超用，磨削效率高，使用寿命长，特别适合加工高硬材料及不锈钢等高韧性材料。

This type of product is suitable for rough honing during honing of inner and outer race of precision bearings. High grinding efficiency，long service life. It is specially applied for processing hard material and stainless steel, and such high viscosity materials.