... the steel and non-ferrous metal, electric drill for geology use and steel drill etc.YG8K20-K3014.6-14.9≥1840 ... steel, non-ferrous metal and pipes, various drills for geology use, tools for machine manufacture and wearing parts.YT15P1011.1-11 ... manganese steel and common steel.product pictureproduction equipment :texting equipment: manufacturer of YG6 carbide brazed tips