Home / Products / Drilling Tools / Down-the-hole Drilling Tools / DTH Drilling Pipe O.D.89mm (No Flat) for Mining
DTH Drilling Pipe O.D.89mm (No Flat) for Mining
DTH Drilling Pipe O.D.89mm (No Flat) for Mining
DTH Drilling Pipe O.D.89mm (No Flat) for Mining
DTH Drilling Pipe O.D.89mm (No Flat) for Mining

DTH Drilling Pipe O.D.89mm (No Flat) for Mining

Outer Diameter: 89mm

Length: 6000mm

Wall Thickness: 6.5- 8mm

F/M Thread: API 2 3/8 REG

Material: threaded connection 35CrMo, drilling pipe R780

Process: Thickened treatment to reduce the weight of the drilling pipe while maintain weld strength.

Description

DTH drilling pipes are used for connecting DTH hammers and drilling bits. Manufactured from seamless steel tubing, they are the key accessories for all types of DTH drilling operations, playing a critical role in operation. High-quality drilling pipes combine exceptional durability, precision, and outstanding operability, ensuring efficient drilling operations.

 

All DTH drilling pipes are manufactured with friction welding technology. Threaded connections typically comply with API standards, with special specifications available upon request, such as 2 3/8-inch, 3 1/2-inch API REG threads, and API IF threads. Customization is available to meet client requirements, with lengths ranging from 1000mm to 5000mm and outer diameters including 50mm, 60mm, 76mm, 89mm, 102mm, 114mm, 127mm, and 140mm.

Advantages

Durable and resilient with outstanding performance:

Our drilling pipes withstand all types of harsh drilling conditions, offering exceptional strength and durability to significantly extend service life and minimize operational downtime.

 

High Efficiency:

These drilling pipes are engineered for balanced operation, enhancing drilling efficiency by enabling faster and more precise drilling.

 

Corrosion Resistance:

Manufactured from quality materials, it offers exceptional corrosion resistance, making it an ideal choice for drilling operations in various open-pit and underground conditions.

 

Precision Fit:

Strictly controlled tolerances ensure secure and tight connections between drilling tools, optimizing torque transfer while minimizing wear.

Specifications

Thread

Diameter

(mm)

Length

(mm)

Wall Thickness

(mm)

Upset Type

API23/8REG

76

1000-6000

4-10

Inner

API23/8REG

83

1000-6000

4-10

Inner

API23/8REG

89

1000-6000

4-10

Inner

API27/8REG

102

1500-6000

6-12

Inner

API31/2REG

114

1500-6000

6-12

Inner

API31/2REG

127

1500-6000

6-12

Inner

API31/2REG

133

1500-6000

6-12

Inner

API41/2REG

140

1500-6000

6-12

Inner

CUBX21#

89

1000-6000

4-10

Inner

CUBX21#

102

1000-6000

6-12

Inner

CUBX24#

102

1000-6000

6-12

Inner

CUBX28#

114

1000-6000

6-12

Inner

FAQ

  • Do you provide technical support?

    Yes. We provide professional pre-sales, in-sales, and after-sales support, along with expert technical guidance and usage precautions.

  • Sales Coverage

    We supply specialized products to customers worldwide.

  • Do you provide technical support?

    Yes. We provide professional pre-sales, in-sales, and after-sales support, along with expert technical guidance and usage precautions.

Warranty Policy

We provide repair service if there is necessary

Payment Methods

30% advance payment,70% balance payment before shipment

Latest Products

We are dedicated to building a better future with you through meticulous and professional service!

Get in Touch