Professional China Drill Bits In Oil And Gas - 8.5″ inches fixed cutter PDC Bi center bit suppliers for rock drilling – FAR EASTERN
Professional China Drill Bits In Oil And Gas - 8.5″ inches fixed cutter PDC Bi center bit suppliers for rock drilling – FAR EASTERN Detail:
![]()
Product Description
Wholesale API PDC under reamer in the stock from China OEM manufacturer.
BI center bit is used for reaming hole bottom, the model No. likes 5 7/8″*7 1/2″*4 3/4″ or just 5 7/8″*7 1/2″ as the third diameter is not important.
5 7/8″ is the passing through diameter, 7 1/2″ is the reaming diameter, 4 3/4″ is the diameter of front bit.
We can produce both matrix body and steel body BI center bit, the cutters could be diameter 8mm, 13mm, 16mm, 19mm, blades quantityranges from 3 to 8.
Order procedure :
1>Confirm 3D design.
2>Trial order.
3>Testing and improvment.
4>Mass production.
If the requirement is not regular, we have mature design according to various of drilling conditions.
![]()
Product Specification

Far Eastern are factory specializes in drill bits,such as PDC bits, tricone bits,HDD hole opener,Foundation roller cutters for different applications.
The application including oil field,natural gas,geological exploration,driectional boring,mining ,water well drilling ,HDD, construction,and foundation.
As a leading drill bits factory in China,increase the drill bit working life is our target. We always try to improve the bits with high penetration rates.Our purpose is to sell the high quality with the lowest price.Far eastern drilling quality and technology will help you to achieve more !

Product detail pictures:
Related Product Guide:
Sincerity, Innovation, Rigorousness, and Efficiency could be the persistent conception of our organization for your long-term to establish alongside one another with shoppers for mutual reciprocity and mutual benefit for Professional China Drill Bits In Oil And Gas - 8.5″ inches fixed cutter PDC Bi center bit suppliers for rock drilling – FAR EASTERN , The product will supply to all over the world, such as: Houston, Casablanca, Tunisia, With the development and enlargement of mass clients abroad, now we have set up cooperative relationships with many major brands. We have our own factory and also have many reliable and well-cooperated factories in the field. Adhering to the quality first, customer first, We are provideing high-quality, low-cost products and high quality service to customers. We sincerely hope to establish business relationship with customers from all over the world on the basis of quality, mutually benefit. We welcome OEM projects and designs.

The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.





