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TDD- DTH drilling pipe for water well , geothermal well,geological exploration

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  • Category:Drilling pipe

TDD,born for drilling. 

TDD group have been focusing on DTH drilling for 16 years. We are specialized in manufacturing various DTH drilling hammers、matched drilling bits、drilling rigs and drilling pipes for water wells、mines and oil industries.

TDD  can not only produce different materials, length, diameter, wall thickness drilling pipe, but also according to customer requirements of material, length, wall thickness, thread to customize the drilling pipe.

TDD have made tremendous development at the basic of high-quality, low price, good service since its establishment. All friends both at home and abroad are warmly welcomed to come here to establish and develop business relationship with us. 

TDD group From the sales order to the production of the products, to the inspection and delivery of the finished products, we record all the data to ensure the traceability of each product. We not only purchase the thread inspection standard gauges of various specifications. Pitch detection instruments and taper testing equipment ensure that the products meet international standards, and are equipped with ultrasonic flaw detectors, various hardness testing equipment, magnetic particle testing equipment, etc., thus creating high-quality products, so that customers can buy with confidence , use the rest assured. Professional scientific research and management personnel, with strong technical strength and high-quality management methods, have gained industry advantage and market leading position after a long period of accumulation and construction. At present, our products are exported to South Africa, Europe and America, and some countries in Southeast Asia.


We are specialized in manufacturing various DTH drilling hammers、matched drilling bits、drilling rigs and drilling pipes for water wells、mines and oil industries,SPM has been promoting productivity in drilling industry, SPM ensure the safety and stability of drilling engineering, and provide professional, efficient and reliable whole drilling solutions.

TDD and his dedicated teams are committing themselves to provide international clients with various quality products and profe...

Improve mechanical properties. 

All of them use precision imported CNC lathe and custom forming tool for thread machining, which ensures the tightness of the connection with the lock joint. 

Not easy to fatigue bending or breaking, stable and reliable performance.

Drill pipe diam

Thread standard

Steel pipe grade

Pipe wall thinkness

Thickening method

Drill pipe length

3’’

76mm

2-3/8’’ REG

R780,G105,S135

6mm ,8mm

IU

1000-5000mm

31/2’’

89mm

2-3/8’’ IF NC26

R780,G105,S135

6.5mm ,8mm

IU

1000-5000mm

4’’

102mm

2-7/8’’ IF NC31

R780,G105,S135

8mm ,9.19mm

IU

1000-5000mm

41/4’’

108mm

2-7/8’’ IF NC31

R780,G105,S135

8mm ,9.19mm

IU

1000-5000mm

41/2’’

114mm

2-7/8’’ IF NC31

R780,G105,S135

8mm ,10mm

IU

1500-6000mm

5’’

127mm

3-1/2’’ IF NC38

R780,G105,S135

8mm ,10mm,12mm

IU

1500-6000mm


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