8 1/2 inch
Customized
API
Core Drill Bit
Tungsten Carbide
Well Drilling, PCB Drilling
Longyue
Wooden Case Package
He Bei
8207199000
Product Description
Company Profile
Hejian Longyue Drill Bit Manufacturer Co.,ltd.Is a manufacturer of Drill Bit with well-equipped testing facilities and stong technical force. With range,good quality, reasonable prices and prompt delivery, our products are extensively used in oil field,well Drilling, No Dig field and other industries. Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
We welcome new and old customers contact us anytime, and establish good business relationship and mutual success!
Lead Time: 1) Within 1 week, if in stock.
2) Depends on order quantity.
3)Transportation: By sea or air. We do shipment as quickly as possible as to meet our clients satisfied always, with the highest quality and good price !
2) Depends on order quantity.
3)Transportation: By sea or air. We do shipment as quickly as possible as to meet our clients satisfied always, with the highest quality and good price !




No | Item | Data |
1 | Rock Bit | 8 1/2 inches |
2 | Rock Bit | 215.9mm |
3 | IADC | 637G |
4 | Thread Connection | 4 1/2 API reg pin |
5 | WOB (Weight On Bit) | 24284~58283lbs |
6 | RPM | 80-40 |
7 | Formation | Hard formation with high compressive strength ,such as limestone,sandstone,dolomite,hard gypsum,marble,etc. |
8 | OTHER CUSTOMER'S REQUIRED |













We do shipment as quickly as possible as to meet our clients satisfied always, with the highest quality and good price !
We already exported to more than 20 countries,the industries such as: Oil & Gas, water well , Construction,Mining,
Horizontal Directional Drilling (HDD), Geothermal and Environmental.Our professional team/staff is here to assist you with
everything from choosing the right bit to shipping out .
Our goal is to provide our clients with the best quality tools, accessories and service in the industry. We are supported by
many years of experience, trained professionals and a full machine shop. Reduce the cost, speed the drilling ,Guarantee
the safety is always our aim !