Down The Hole Openers For Horizontal Directional Drilling
Hot Sale PDC Strongest Drill Bits HTD Hole Openers For Horizontal Directioal Drilling

Features
Quality: More than 40 Years engineer to make sure the quality, 100% inspection
Carbide Button: Spherical, Ballistic, Semi-ballistic.
Bit face: Convex, Flat, Drop Center.


Our Advantages as below:
DTH hole openers are used to enlarge the size of a pilot hole most commonly apply to industrial applications.
The ability to use less powerful equipment than that required to drill the large diameter hole.
All Hole Openers are manufactured from the highest quality aircraft alloy steel.
Straigher holes result from the smaller pilot hole.
Better clearing of cut material.
Advanced heat-treatment equipment: multipurpose furnace heat treatment.
Completed moulding (tooling ) departments with many molds available.
Professional R&D team,completed quality system.
Strict Quality-Check Systems.


Product parameters

How to choose the suitable head face of the DTH drill bit?

1. Concave:
Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.

2. Convex:
Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.

3. Flat:
Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.


Used in
Applicable Formations medium to hard hardness formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc
Application: Mining, Quarrying, Tunneling, Construction, Geological Exploration, Water-well Drilling, Oilfield & Gas Industries.


Pic Show

Pangolin (China) Construction Machinery Co., Ltd. is a drill manufacturer with complete testing equipment and strong technical force. Our products have a wide range, high quality, reasonable price, and timely delivery, which are widely used in oilfields, drilling, non-excavation fields and other industries. Our products are widely recognized and trusted by users, and can meet the ever-changing economic and social needs. To
We welcome new and old customers from all walks of life to contact us for future business relations and mutual success!

FAQ:

1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.

2. How about the common packing?
A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.

3. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.

4. How to check the product are the exact one you want?
A: If possible, please attach one reference picture to avoid any misunderstanding or any links from our website for a better understanding.

5. How to control quality?
A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.

6. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.

7. Competitive price:
A: Our factory can supply you the lowest price due to direct sale to customers without distributor!