tungsten carbide drill bits

Our company has in its possession an advanced production line for manufacturing dies and moulds and a production line for post machined cemented carbide products. We can also supply tailor-made products of various specifications based on the requirements of our customers Because of its high precision and high reliability, tungsten carbide inserts have been broadly used worldwide for significant productivity improvements. With different application, the inserts are sorted as wood-cutting tools, clamped inserts, milling & turning inserts, etc. Here in our website. http://en.zztongyi.com you could find some information about cutting and insert application GradeEqual to ISO Category Number PerformanceusesDensityBend StrengthHardnessG/Cm3N/mm2HRAYK25K4014-.3-14.6≥2100≥86.5Qualified for molding the drills for heavy-duty rock drill: detachable bits used for deep hole drilling, rock drill trolley etc.YG11CK4014.0--14.4≥2060≥86.0YG15K4013.9-14.1≥2020≥86.5Qualified for hard rock drilling, steel bars with high compression ratios, pipe drawing, punching tools, core cabinet of powder metallurgy automatic molders etc.YG16C13.7-14.1≥2400≥84.0Forging dies with impact resistance, hot dies etc.YG2013.4-14.8≥2480≥83.5Qualified for making dies with low impact such as punching watch parts, battery shells, small screw caps etc.YG20C13.4-14.8≥2480≥82.5Qualified for making moulds of cold heading, cold stamping and cold pressing used for manufacturing standard parts, bearings etc.