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| Place of Origin | China |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 8" |
Tricone Bit 8" TCI tricone bits, TCI Drill Bit, tci rock bit for water well drilling
| Tricone Bit 8" TCI tricone bits, TCI Drill Bit, tci rock bit | |
| Categories | Roller Core Bits |
| Place of Origin: | Germany, China |
| Brand Name: | CDHP |
| Certification: | ISO&API 7-1 |
| MOQ: | 1pc |
| Packaging Details: | Steel box or as customer required |
| Delivery Time: | 7-15 days after payment received |
| Payment Terms: | T/T L/C |
| Supply Ability: | 100pcs per month |
| The IADC code is a three numbered system to classify the hardness and type for all roller cone rock bits. | ||
| 1 – Steel Tooth for soft formations | Designates the hardness subclass of major hardness class. This ranges from 1 to 4, where 1 is classified as the softest subclass and 4 is the hardest subclass. |
1 – Roller bearing |
| 2 – Steel Tooth for medium formations | 2 – Roller bearing air-cooled | |
| 3 – Steel Tooth for hard formations | 3 – Roller bearing with gage bevel inserts | |
| 4 – TCI for soft formations | 4 – Sealed roller bearing | |
| 5 – TCI for soft/medium formations | 5 – Sealed roller bearing with gage bevel insets | |
| 6 – TCI for medium/hard formations | 6 – Sealed friction bearing | |
| 7 – TCI for hard formations | 7 – Sealed friction bearing with gage bevel inserts | |
| 8 – TCI for extremely hard formations | 8 – Directional | |
12-1/4" TCI Tricone Drill Bits Selection Guide
| TRICONE DRILL BITS - STANDARD CONNECTION SIZES | |
| SIZE | STANDARD PIN CONNECTION |
| 2 1/2" to 2 3/4" inclusive | A - AW Rod |
| 2 7/8" to 3 3/8" inclusive | N4 Rod |
| 3 1/2" to 4 1/2" inclusive | 2 3/8" API |
| 4 5/8" to 5" inclusive | 2 7/8" API |
| 5 1/8" to 7 3/8" inclusive | 3 1/2" API |
| 7 1/2" to 9 3/8" inclusive | 4 1/2" API |
| 9 1/2" to 14 3/8" inclusive | 6 5/8" API |
| 14 1/2" to 18 1/2" inclusive | 6 5/8" API or 7 5/8" API |
| 18 5/8" to 26" inclusive | 7 5/8" API or 8 5/8" API |
| 27" and larger | 8 5/8" API |
Structure of TCI Tricone Drill Bits
Advantage of PDC Drill Bit and Tricone Drill Bit
Roschen is specializes in R & D, production and technical support for various PDC bits, tricone drill bits, diamond bits and supply drill pipes also well drilling tools. Our products are used for well drilling,gas well drilling, water well drilling, mining, etc.
Our goal is to supply you the most suitable oil drill tools and the most competitive cost. As our staffs are well trained and most of them have more than 80 years experiences in oil well drilling, drill bits choosing and technical support, we are confident to service you well. The manufacturing and quality control is strictly proceed under the API standard, so the management system is a international standard and is a efficient group. Regards to the equipments of our CNC, lathe and welding machines, most of them are impoted from Germany and America. They keep the well precious manufacturing also good status of the ability.
Customer's support is the treasure of our resource. We keep moving to make everything better and better.
FAQ
What do you supply?
1. Fixed Cutter Drilling Bits(PDC drill bits, Diamond drill bits, TSP diamond drill bits, Impregnated diamond drill bits),
2. Roller Cone Bits(tricone drill bits, single cone bits, rock bits, tci tricone drill bits, milled tooth tricone drill bits),
3. Hammer Bits and Drilling Tools(tubulars, jars and impact tools, reamers and stabilizers, underreamers, drill pipes, downhole casing, hole opener, etc)
Size: 3 3/4", 3 7/8", 4 1/8", 4 1/4", 4 1/2", 4 3/4", 5 1/8", 5 5/8", 5 7/8", 6", 6 1/8", 6 1/2", 6 3/4", 7 1/2", 7 7/8", 8 3/8", 8 3/4", 8 1/2", 9 7/8", 10 1/2", 11", 12 1/4", 13 5/8", 13 3/4", 14 3/4", 15 1/2", 16", 17 1/2", 20", 22", 24", 26", 36".
How do you guarantee the quality?
1. API Certificated, ISO9001 Certificated.
2. Registered supplier of CNPC.
How to choose the suitable bit for drilling?
If you know the IADC code and size, please contact us directly, our technicians will recommend the suitable one for you.
If you do not know the size and IADC, pls kindly tell us the application and the formation. Our engineer will design or choose the suitable one for you.
How can I get the bits?
We could send bits to you by courier, air and sea, any way you want, we could delivery it.
How to contact you?
Send email to us ROSCHEN@ROSCHEN.COM directly, we will reply you asap.
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
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Tricone Bit
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For more information, please contact:
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
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