| Type |
Indexable Drill Bit |
| Material |
Tungsten Carbide |
| Use |
Well Drilling |
| Place of Origin |
Hunan China (Mainland) |
| Brand Name |
zhuzhou tongyi |
| Model Number |
drill bit |
Our products based on ISO standard with high toughness ,wear resistance and precision. They could mining quarrying coal-cutting, road construction, snow plow etc. Recommended carbide grades are YK 20, YG 8C,YG11C, if you have any inquiry, please feel free to contact me, we will be very glad to be of your service. Samples and quotations will be offered upon receipt of your further requirement. 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.