The World’s Leading Producers of Metal Removal Technology. The largest of the 15 companies comprising IMC (International Metalworking Companies). They supply a dynamic comprehensive line of precision carbide metalworking tools. ISCAR produce a wide range of carbide inserts, and cutting tools, covering most metal cutting applications, also provides engineering and manufacturing solutions to major industries throughout the world. Many innovative products, designed especially for customer requirements, have made ISCAR a world leader in major manufacturing industries such as automotive, aerospace, and die & mold production.