CBN internal grinding wheel
CBN internal grinding wheels vitrified bonded CBN internal grinding wheels vitrified bonded suitable for grinding materials including 1. Cast iron: powder metallurgy, chilled cast iron, ductile cast iron, gray cast iron, alloy cast iron, etc 2. Steel parts: 20Cr, GCr15, Scr415H, 45 steel, 55 steel, etc The vitrified CBN (cubic boron nitride) internal grinding wheel produced by our factory can achieve a small diameter of 1.5 mm, and the wear resistance is very good