Product Description
Classification
According to the difference of application formations, the drilling bits of rotary drilling rig can be classified into screw drill bit, barrel drill bit, coring drill bit, and taphole drill bit.
| Name |
Applicable formation |
Features |
| Screw drill bit |
Loose soil layer |
* Large diameter drilling
* Straight spiral design, convenient to carry the slag.
* Double-headed spiral with uniform force, not easy to deviate.
* The double spiral has strong slag carrying capacity, and the single spiral is easy to unload slag. |
| Name |
Applicable formation |
Features |
| Barrel drill bit |
Quicksand, thin mud |
* Built-in anti-suction drill hole
* Integral central cone, curved guide plate cloth teeth, double drill bottom mechanism design for large drill |
| Name |
Applicable formation |
Features |
| Coring drill bit |
Hard stratum, weathered rock, cement ground, shale |
* High drilling capacity
* Roller coring drill bit is required for slightly weathered granite, and picket coring drill bit is used for severe weathering rock formations, which can reduce the cost of roller bullets. |
| Name |
Applicable formation |
Features |
| Taphole drill bit |
Clay |
Belongs to a type of barrel drilling bit. |
Company Introduction
Hanfa Group established in 1998 is a key enterprise in the industry of geological exploration and water well field, with the ability to research,manufacture and market. Now, the Group pursues high standard manufacturing and qualified products. It has more than 20 species such as water well drilling rig, core drilling rig, engineering drilling rig, DTH drilling rig, horizontaldirectional drilling rig, etc. These machines are mainly used in geological prospecting, exploration of railway and highway engineering, mining, SPT, water well, geothermal well etc. Some of them won the Scientific and Technical Advance Prize or the National Scientific Research Achievement Prize. All the products have passed the quality system certification of ISO9001:2000 and are national inspection-free products.
1. More than 20 years of experience
The factory is located in Henan Province, China. We are very welcome to visit our factory. If
you need it, we will arrange a pick-up.
2.Top production team
The transportation and packaging will be packaged in international standards. If you have special packaging requirements, we will give you the most suitable solution.
3.Our Service
- New machine provides technical trair.
- Once anything goes wrong with the machine by normal using, our technical person must appear at the first time no matter where you are.
- When the machine should be maintained, you will receive the reminding from us.
- According to different geological conditions, we will recommend different construction plans for you
- Remind you which are wearing parts, so you can prepare enough.
- 24 hours respond to your quality problem.
FAQ
1, Are you trading company or manufacturer?
We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig, DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and get a good reputation in the world.
2, Are your products qualified?
Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.
3, How about your machine quality?
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great number of strict testing in order to offer the best quality to our customers.
4, Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineer to your worksite and provid the training for your staff.
5, What about the qaulity warranty?
We offer one-year quality warranty for machines' main body.
6, How long can you deliver the machine?
Generally, we can deliver the machine in 7 days.
Our Customers
Audited Supplier 
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