... OEM service 3. Safe, efficient, low consume Abrasive Cutting and Grinding Wheels Introduction:1. Detailed description of depressed center grinding ... East and Southeast Asia.2. Usage of depressed center cutting wheels: For cutting stone, cast iron, leather, ordinary metal, carbon, ... weld seams, etc.3. Usage of depressed center grinding wheels: For grinding of ordinary metals, carbon steel, steely alloy, ...