K5H

WEAR-RESISTING PIECES CONSISTING OF CEMENTED HARD METALLIC COMPOSITIONS-NAMELY, INSERTS TO BE USED IN DIES AND TOOLS FOR WORKING, CUTTING, OR SHAPING METAL AND OTHER MATERIALS, IN LATHE-CENTERS, IN BEARING-SURFACE AND WEARING-SURFACE PARTS, AND FOR DIES, CUTTING TOOLS, LATHE-CENTERS, BEARING-SURFACE AND WEARING-SURFACE PARTS-IN