1.certified by ISO9001&API 2.Reliable bearing system 3. manufacture of 20 years 1,Types: steel tooth tricone bit (mill tooth tricone bit) and tricone bit(tungsten carbide inserted tricone bit),both of which are used for mining pilling, water well drilling or oil well...

1)Certified by ISO9001&API 2)Covers all IADC codes 3)Size:3 3/4" (95.3mm)~26" (660.4mm) 4)Used for oil well and water well assemble drill part ...

1. Bit sizes and cone types can be customized as you special order 2.It is suitable for the large size well, mining and infrast 1. Very large customized diameter2.Seal and LubricationHigh performance HNBR O-ring for bearing seal and advanced grease for lubrication. 3.Product...

1)Certified by ISO9001&API 2)Covers all IADC codes 3)Size:3 3/4"~26" 4)Used for well drill 1,Types: steel tooth tricone bit (mill tooth tricone bit) and tricone bit(tungsten carbide inserted tricone bit),both of which are used for mining pilling, water well...

1.It is suitable for the large size well, mining and infrastructure applications 2.Very large customized diameter, 1.It is suitable for the large size well, mining and infrastructure applications2.Very large customized diameter,Bit sizes and cone types can be customized as...

1)Certified by ISO9001&API 2)Covers all IADC codes 3)Size:3 3/4"~26" 4)Used for well drill 1,Types: steel tooth tricone bit (mill tooth tricone bit) and tricone bit(tungsten carbide inserted tricone bit),both of which are used for mining pilling, water well...

1.It is suitable for the large size well, mining and infrastructure applications 2.Very large customized diameter 1.It is suitable for the large size well, mining and infrastructure applications2.Very large customized diameter,Bit sizes and cone types can be customized as...