... tubes, strips, mining tools, drawing dies, cutting tool tips, and various non-standard tungsten carbide, drills, carve drills, tool drills etc. These products ... -.3-14.6≥2100≥86.5Qualified for molding the drills for heavy-duty rock drill: detachable bits used for ... steel bars with high compression ratios, pipe drawing, punching tools, core cabinet of powder metallurgy automatic molders etc.YG16C 13 ...