Friction Welded DTH Drill Pipe

These DTH drill pipes are manufactured using friction welding for enhanced durability. They are suitable for rock drilling applications and come with A.P.I. connections.

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Technical Specifications

Overview

High-Performance Friction Welded Drill Pipes

These DTH drill pipes are engineered using advanced friction welding technology to ensure maximum durability and reliable performance in demanding rock drilling and piling applications. Constructed from high-quality materials verified by spectrograph and tension testing, they offer exceptional energy transfer from the hammer to the drill bit. The pipes feature nitrogen-treated anti-adhesion threads for easier handling and extended service life in professional mining and construction environments.

Friction welded DTH drill pipes for rock drilling — High-quality DTH drill pipes featuring robust friction-welded construction for mining and piling.

Technical Dimensions

Available Lengths

1000mm
1500mm
2000mm
3000mm
6000mm

Outer Diameters: 76mm89mm102mm114mm

Various sizes of DTH drill rods — Available in multiple diameters and lengths to suit diverse drilling rig requirements.

Connection Specifications

API Connection Types

2 3/8” API Reg
2 7/8” API Reg
3 1/2” API Reg
4 1/2” API Reg
2 3/8” API IF
3 1/2” API IF

DTH drill pipe threaded connections — Precision-engineered API threaded connections designed for secure attachment and optimal energy transfer.

Manufacturing & Quality

Production Technology: Friction Welding
Quality Assurance Tests: Spectrograph DetectionImpact TestTension TestHardness TestMagnaflux InspectionUltrasonic Flaw Detection
Surface Treatment: Nitrogen treatment on anti-adhesion threads
Processing Equipment: Digitized processing line with integral heat treatment equipment