Halnn BN-S20 Grade Solid CBN Insert with High Efficiency for Surfacing Rolls

Halnn BN-S20 Grade Solid CBN Insert with High Efficiency for Surfacing Rolls Why choose Halnn Solid CBN inserts for processing the surfacing rolls? As an important part of the rolling mill, the performance of the mill determines the quality of the rolled material and the efficiency of the rolling mill. Therefore, the roll generally has high hardness, especially for large casting rolls.There are casting defects such as sand and pores on the surface, which requires high