High Quality internal grinding wheels processing HRC35-HRC70 degree steel parts (20 chromium steel, 40 chromium steel, tool steel, die steel, bearing steel, alloy steel, structural steel, high-speed steel, ductile iron, heat-resistant steel, titanium alloy, 38 chromium molybdenum aluminum, special Structural steel, etc.)
Customized vitrified bond CBN internal grinding wheels and grinding heads for grinding small holes.