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![]() | Size of Rock Bit | 17 1/2 inch |
| 444.5mm | ||
| IADC Code | 124 | |
| Thread Connection | 7 5/8 API REG PIN | |
| Operating Parameters | ||
| WOB (Weight On Bit) | 19684~53428lbs | |
| 87.5~237.5KN | ||
| RPM | 150~60 | |
| Formation | Medium formation with high compressive strength ,such as medium soft shale,medium softlimestone,medium soft sandstone,medium formation with harder and abrasive interbeds,etc. | |
Cutting Structure
The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.
Gauge Structure
Multiple gauge protection with gauge trimmers on the hell and gauge inserts on the gauge surface of the cone,tungsten carbide inserts and hardfacing on the shirttail increases gague holding capability and bearing life.
Bearing Structure
High precision roller bearing with two thrust faces.Ballk lock the cone,The leg bearing can get larger by arraning the roller in groove of the cone hole,so it can receive more WOB,and suitable for high RPM.Thrust faces hardfaced with wear resistant alloy.Abrasion resistance and seizure resistance of the bearing are improved
Seal and Lubrication
Premium HNBR O-ring,optimal seal compression and curved seal structure can enhance seal performance.The pressure compensator system and advanced grease can greatly increase the lubricating reliability.
Product Application
It can receive higher WOB and faster rotary speed than conventional roller bearing bits.It is suitable for high RPM applications.



Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd has more than 20 years manufacturing and design experience,We specialize in researching and production of TCI Tricone Bit,Steel Tooth tricone bit,PDC bit,Drag bit,HDD hole opener,Tricone bit cutter and Drilling Accessories,application fields includes oil well drilling,gas well drilling,geothermal well drilling,mining,geological survey,hydrographic survey,water well drilling,HDD pipelinesprojects,foundation projects.
Our goal is provide the best quality products and service to our customers,we have professional R&D team,domestic advanced production equipment and precision instruments Reduce the cost,Speed the drilling,Guarantee the safety is always our aim.
Win-win cooperation is our ultimate pursuit. Contact us feel free if you are finding drill bit manufacture.
1 We are manufacture can supply good quality goods and competitive price
2 We not only have ourselves design but also can accept customization
3 We have fast and on time delivery time
4 Every bits have it's quality assurance
5 Contact our anytime if you have any question with bits.
6 24 hours on time reply
For regualr packing is wooden case, diffrent size wooden case size diffrent.
Shipping you can choose by express by air by sea or by train.
If you have any other demand please contact us.
First of all we want let you know that we are one of more than 20 years manufacture loacted in Hejian City Hebei China.
We have so many clients from all over the world and not with the lowest price win clinet's choose, we depend on the quality to do business for every client. We know business not easy and get one client also very difficult so we must service in good faith. So please remember our promise that what you pay what you gain. We will honest offer the equel quality goods for you.
1 Q: Are you manufacture?
A: Yes, we are and more than 20 years.
2 Q: Where are you located in?
A: We are located in Hejian City Cangzhou City Hebei China
3 Q:What's your mainly product?
A: Our mainly products are TCI tricone bit, Steel tooth tricone bit, sigle cone bit, HDD HOLE OPPENER and so on.also can as per your demand produce such as PDC drag.
4 Q: What's your MOQ?
A: Our MOQ 5 pieces, but if you just want sample test quality we also can supply to you.
5 Q: How many day with your delivery?
A: We can delivery goods with 7 days if we have goods in stock, if need produce with your demand we will negotionation with you.
6 Q: Do you have used drill bit ?
A: Yes we have and price are very competitive, welcome inquiry us anytime.
More question you want to know, contact us feel free without hesitaded. No matter how far from us but Communication without borders.

| Company Name | Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd |
| Address | Hejian,Hebei,China |
| Mob | 0086-13930792275 |
| Tel | 0086-0317-3852575 |
| Web | www.bestrockbits.com |
| Skype | chinarockbit |
| 0086-13930792275 |

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