12 1/4 Inch IADC 637 Conical Roller Chisels Tricone Bit
| Customization: | Available |
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| Customized: | Customized |
| Length: | Taper-length |
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Basic Info.
- Model NO.
- 12 1/4
- Type
- Center Drill Bit
- Material
- Tungsten Carbide
- Usage
- Well Drilling
- Certification
- ISO
- Model Number
- Steel Tooth Bit, TCI Bit
- Bearing Type
- Sealed Bearing
- Suitable Formation
- Soft, Medium Soft, Hard, Medium Hard, Very Hard
- Color
- Blue or Red
- MOQ
- 1
- Transport Package
- Wooden Case
- Specification
- according requirement
- Trademark
- HJ
- Origin
- China
- HS Code
- 8207191
- Production Capacity
- 50000
Packaging & Delivery
- Package Size
- 50.00cm * 40.00cm * 50.00cm
- Package Gross Weight
- 105.000kg
Product Description
| HENGJI BIT SPEC | IADC CODE 637 | |
|
| Diameter | 12 1/4"(311.1mm) | ||
| Tooth Type | TCI | ||
| Bearing Type | Elastomer sealed bearing | ||
| Circulation Type | Mud fluid | ||
| Thread Connection | 6 5/8 API REG PIN | ||
| Nozzle | three jet nozzles | ||
| Gauge Protection | Available | ||
| Shirttail Protection | Available | ||
| Operating Parameters | |||
| RPM(r/min) | 80-40 | ||
| WOB(KN) | 0.5-1.2 | ||
| Formations | Hard formations with high compressive strength, such as sandstone, limestone, dolomite ,hard gypsum, marble, etc | ||
| Application | water well drilling,oil &gas well drilling ,HDD,exploration,geothermal well drilling,drilling projects,etc | ||
Overview of Tricone Bit
Tricone rock drilling bit Features
Cutting StructureConic&chisel insert improved the bit aggressivity and abrasive resistance.Reinforcing the comprehensive mechanical properties of cutting tooth by using high quality tungsten carbide inserts of new formula and new techniques of insert bit.
Applications
Medium to hard with high compressive formations, abrasiveness formations such as hard sandstone/dolomite/conglomerate.etc
Main products
tricone bit(mill tooth and tungsten carbide insert tricone bit)
PDC bit(matrix body and steel body PDC bit)
hole opener(HDD rock reamer,PDC hole opener,barrel reamer,etc)
drag bit(step drag bit,PDC drag bit,chevron drag bit,etc)
accessories(single cone,bit breaker,nozzle ,etc)
.
| it Size | Bit Type | ||||||||||
| in | mm | ||||||||||
| 37/8 | 98 | HR537 | HR637 | ||||||||
| 45/8 | 117.5 | HR117 | HR115 | HR537 | HR637 | HR737 | |||||
| 43/4 | 120.7 | HR117 | HR115 | HR537 | HR637 | HR737 | |||||
| 57/8 | 149.2 | HR217 | HR537 | HR547 | HR637 | ||||||
| 6 | 152.4 | HR117 | HR217 | HR237 | HR517 | HR547 | HR637 | HR737 | |||
| 61/4 | 158.8 | HR127 | HR237 | HR517 | HR527 | HR547 | HR637 | HR737 | HR837 | ||
| 61/2 | 165.1 | HR127 | HR217 | HR517 | HR537 | HR547 | HR637 | HR737 | HR837 | ||
| 63/4 | 171.5 | HR117 | HR447 | HR537 | HR547 | HR617 | HR627 | HR637 | HR737 | HR837 | |
| 71/2 | 190.5 | HR127 | HR217 | HR517 | HR517 | HR527 | HR527 | HR617 | |||
| 77/8 | 200 | HR177 | HR437 | HR517 | HR527 | HR537 | HR547 | HR547 | HR617 | HR627 | HR637 |
| 81/2 | 215.9 | HR117 | HR127 | HR137 | HR217 | HR247 | HR437 | HR447 | HR517 | HR527 | HR537 |
| HE547 | HR617 | HR627 | HR637 | HR737 | HR837 | ||||||
| 83/4 | 222.3 | HE116 | HR437 | HR517 | HR537 | HR627 | |||||
| 91/2 | 241.3 | HR117 | HR127 | HR417 | HR437 | HR517 | HR527 | HR537 | HR547 | HR617 | |
| 95/8 | 244.5 | HR117 | HR127 | HR137 | HR217 | HR437 | HR517 | HR527 | |||
| 97/8 | 250.8 | HR117 | HR127 | HR137 | HR217 | HR417 | HR437 | HR517 | HR527 | ||
| 105/8 | 269.9 | HR127 | HR217 | HR437 | HR517 | HR547 | |||||
| 115/8 | 295.3 | HR117 | HR127 | HR137 | HR217 | HR147 | HR517 | HR537 | HR547 | ||
| 121/4 | 311.2 | HR117 | HR127 | HR137 | HR417 | HR437 | HR517 | HR527 | HR537 | ||
| HR547 | HR617 | HR627 | HR637 | ||||||||
| 135/8 | 346.1 | HR117 | HR127 | HR235 | HR437 | HR517 | HR527 | HR537 | HR637 | ||
| 133/4 | 349.3 | HR437 | HR517 | HR537 | HR617 | HR627 | HR637 | HR737 | HR117 | HR217 | |
| 143/4 | 374.7 | HR117 | HR127 | HR137 | HR517 | HR527 | HR537 | HR547 | HR617 | HR637 | |
| 151/2 | 393.7 | HR127 | HR217 | HR517 | HR527 | HR537 | HR547 | HR617 | HR637 | HR737 | HR837 |
| 16 | 406.4 | HR117 | HR127 | HR127 | HR517 | HR527 | HR537 | HR547 | HR617 | HR637 | HR737 |
| 171/2 | 444.5 | HR117 | HR127 | HR137 | HR437 | HR517 | HR527 | HR537 | HR547 | HR637 | HR737 |
| 18 | 457.2 | HR117 | HR217 | HR237 | HR437 | HR517 | HR527 | HR537 | HR547 | HR637 | HR737 |
| 19 | 482.6 | HR117 | HR217 | HR237 | HR437 | HR517 | HR527 | HR537 | HR547 | HR637 | HR737 |
| 20 | 508.0 | HR117 | HR217 | HR237 | HR437 | HR517 | HR527 | HR537 | HR547 | HR637 | HR737 |
| 22 | 558.8 | HR117 | HR217 | HR237 | HR437 | HR517 | HR527 | HR537 | HR547 | HR637 | HR737 |
| 24 | 609.6 | HR117 | HR217 | HR237 | HR437 | HR517 | HR527 | HR537 | HR547 | HR637 | HR737 |
| 26 | 914.4 | HR117 | HR217 | HR237 | HR437 | HR517 | HR527 | HR537 | HR547 | HR637 | HR737 |
| Packaging |
| Wood Box Fumigation Tray if necessary Other special package can be applied according to customer's need |
| Delivery |
| Prepared to deliver within 1 week, if in stock Depends on order quantity, when out of stock Transportation:By sea or air |
At Hengji, you can find a wide variety of drill bits to suit your needs. Our selection includes TCI tricone bits, steel tooth tricone bits, single roller cone bits, PDC bits, hole openers, drag bits, and more.
We have exported our bits to 58 countries worldwide, earning approval as a trusted manufacturer and supplier for renowned oil and gas companies. In fact, we are recognized as a reputable OEM supplier and manufacturer for many famous brands.
As an ISO9001 and SGS certified drill manufacturer, we take pride in delivering high-quality drill bits at competitive prices. We also offer convenient door-to-door delivery service. Simply send us an email to inquire about our best prices today.
--Advanced technology and Equipment, International standard.
--R&D center for rock drilling tools, high precision CNC machines, SGS&ISO Certified.
--10+ Years & 40+ Countries service experience.
--Optimized solutions for various of requirement.
FAQ
FAQ
1. Does your company make or distribute products?
A: We are a professional factory in China that specializes in producing tricone bits, PDC bits, hole opener,single cone bit and drag bit.
2. Can you tell me about your products?
A: Our products and services are accredited to ISO 9001:2008, ensuring that our mature production technology guarantees international-quality products. We offer many high-quality products which can be found on our website (https://hb-bits.en.made-in-china.com/) .
.
3. What is your packaging and delivery process?
A: We use high-quality export cartons or standard export wooden cases for packaging.
4. How long does delivery take?
A: If the product is in stock, we can deliver it within a week. If it is out of stock, delivery can take 7-30 days depending on the order quantity. Transportation is available by sea or air.
5. How can I order your products?
A: Simply send us an inquiry with a detailed item description or model number. If you have no packing preference, we will use the standard sea-way packing. To avoid any confusion, please attach a reference picture or link to our website for better understanding.
6.What is the website about your factory?
A:Our website is: //hb-bits.en.made-in-china.com
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