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
|
We are a professional manufacturer. Our factory mainly produces water well drilling rigs, core drilling rigs, down-the-hole drilling rigs, pile drivers, etc. The products have been exported to hundreds of countries around the world and enjoy a high reputation all over the world.
2. How is the quality of your machine?
Our products pass strict quality inspections before they leave the factory to ensure that they are qualified before they are shipped.
3. How to inspect the goods?
1) Support customers to come to the factory for on-site inspection.
2) Support customers to designate third-party companies to inspect goods.
3) Support video inspection.
4. Do you have after-sales service?
Yes, we have a dedicated service team that will provide you with professional technical guidance. If you need, we can send our engineers to your workplace and provide training for your employees.
5. How about quality assurance?
We provide a one-year quality guarantee for the main machine of the machine.
6. How long is your delivery cycle?
1) In the case of stock, we can deliver the machine within 7 days.
2) Under standard production, we can deliver the machine within 15-20 days.
3) In the case of customization, we can deliver the machine within 20-25 days.
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