High-Quality Materials of DTH Drill Rod

• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
• Standard: AISI
• Surface Treatment: Polishing
• Manufacturing Process: Forging
• Material: High-Quality Materials
• Drill Rod Diameter: 76-114mm
• Model NO.: DTH Drill Rod
• Length: 1-6m/Piece
• Wall Thickness Range: 4-12mm
• Transport Package: Standard Export Packing
• Specification: 1-6m/piece
• Trademark: HF
• Origin: China
• Production Capacity: 100piece/Day

Product Description

Product Description

Advantages

1. DTH drill rod is made of high-quality materials, and the heat treatment of materials is processed with integrated multi-function.

2. All threads are equipped with thread standards that comply with international standards. All the thread processing uses professional CNC machining.

3. The inner end of the rod body is thickened to greatly increase the strength of the weld joint. After friction welding, tempering is performed. The quality of the rod is stable and reliable, and the service life is greatly extended.

 

Thread	Diameter(mm)	Length(mm)	Wall thickness range(mm)	Upsetting  form
API 2-3/8REG	76	1000-6000	4-10	Internal upset
API 2-3/8REG	83	1000-6000	4-10
API 2-3/8REG	89	1000-6000	4-10
API 2-7/8REG	102	1500-6000	6-12
API 3-1/2REG	114	1500-6000	6-12
API 3-1/2REG	127	1500-6000	6-12
API 3-1/2REG	133	1500-6000	6-12
API 4-1/2REG	140	1500-6000	6-12
CUB 21#	89	1000-6000	4-10
CUB 21#	102	1000-6000	6-12
CUB 24#	102	1000-6000	6-12
CUB 28#	114	1000-6000	6-12
CUB 28#	127	1000-6000	6-12
Z 2-1/2	102	1500-6000	6-12
DIBH 3-1/8	102	1500-6000	6-12
DIBH 3-1/2	114	1500-6000	6-12

Delivery


 

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