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Diamond Roller Cone Drill Bit
1,Application
1,Suit for drilling medium to medium-hard formations.
2,Evolute asymmetrical blade cutter design and balanced bit load so that bit whirl is prevented .
3,Composite gage protection and low torque design improve rate of penetration .
4,CFD hydraulic balance design results in better bit cleaning and cutting removal .
5,Combined utilization of high performance PDC compacts significantly prolongs bit life
Higher nozzle counts and/or fixed ports to best serve cleaning,cooling and cuttings evacuation requirements with available hydraulic flows.Allows for higher flow rates with minimal increase in pump pressure.
Feature:Diamonds are impregnated in the matrix behind the PDC cutters
Benefit:Increased footage drilled in abrasive applications
2.details
| Bit type | Main bit size(mm) | Rock coefficient | |
| PDC core drill bit | Single pipe | 75/54.5 94/74 113/89 113/109 153/129 | 1-18 |
| Two-pipes | 75/54.5 94/68 | ||
| PDC center drill bit | Concave 3 wing bit | 60 75 94 113 133 | 1-18 |
| Arc pillar | 60 75 94 113 133 | 4-18 | |
| Many wing scraper | 60 75 94 113 133 133 153 173 190 215 | 1-6 | |
| PDC Indexable drill bit | 153/94 153/113 190/153 190/113 | 1-18 | |
| Model | 118,152,215.9,244,311,445 |
| Type | all kinds and size PDC bits |
| Applicable | water well, oil field, construction, geothermal, directional boring, and underground foundation work |
| Formation | sticky, soft, medium hard, hard formation |
| blade | 4,5,6,7,8,9 |
| Packing | wooden box |
| Payment Term | T/T |
| MOQ | 1 Piece |
| Supply Ability | 1000 Pieces/month |
| Delivery Time | within 7-15 work days |
Our Factory
We are a leading manufacturer of drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Zhengzhou, Henan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.We have more than 50 sets of processing equipment to ensure the quality of our product, which has proved worthy by our client's recognition. And these equipments ensure large production capacity and adequate stock.We have all the small models in stock all year long and the bigger ones ready within 15-30 days.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.
Our Certificate
Our products has been authorized and certified by TUV and ISO9001: 2008. We guarantee the quality of the machines for one year after the trial run (excluding the wearing parts), but not exceeding 15 months from the date on which machines leave the factory.
FAQ(Frequently Asked Questions)
1. How to order the products?
Answer
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
2. About lead time and shipping time?
Answer
The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.
3.Can I expect a quality products?
Answer
Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.
Send Inquiry to This Supplier
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