Lager diameter hard rock reverse circulation drill rod dual-wall drill pipe for mining

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Lager diameter hard rock reverse circulation drill rod dual-wall drill pipe for mining

Warranty: 3 months
Weight (KG): 65
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Place of Origin: Hubei, China
Brand Name: Xingda
Type: RC drill rods
Machine Type: Drilling Tool
Material: Carbon steel
Processing Type: Casting, Casting
Use: Mine exploration
Name: RC Drill Rod
Application: RC Drilling Rig
Diameter: 89/102/114/127/140mm
Length: 1/1.5/2/3/4.5/6m
Usage: Mining
Package: Frame
Color: Black
Condition: New
Showroom Location: Philippines, Peru, Russia, Argentina, Kazakhstan, Kyrgyzstan, Uzbekistan, Tajikistan, None
Marketing Type: New Product 2024
Applicable Industries: Retail, Construction works , Energy & Mining, Geological exploration
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Description

Warranty: 3 months

Weight (KG): 65

Video outgoing-inspection: Provided

Machinery Test Report: Provided

Place of Origin: Hubei, China

Brand Name: Xingda

Type: RC drill rods

Machine Type: Drilling Tool

Material: Carbon steel

Processing Type: Casting, Casting

Use: Mine exploration

Name: RC Drill Rod

Application: RC Drilling Rig

Diameter: 89/102/114/127/140mm

Length: 1/1.5/2/3/4.5/6m

Usage: Mining

Package: Frame

Color: Black

Condition: New

Showroom Location: Philippines, Peru, Russia, Argentina, Kazakhstan, Kyrgyzstan, Uzbekistan, Tajikistan, None

Marketing Type: New Product 2024

Applicable Industries: Retail, Construction works , Energy & Mining, Geological exploration

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Product Description

High Quality 89mm 102mm 114mm 127mm RC Drill Rods For RC Mining Drilling Rig

ApplicationReverse circulation drill rods, also known as double-wall drill rods, is a type of drilling tool used for reverse circulation
drilling. It is composed of inner and outer layers of drill rods (called inner pipe and outer rods). An annular gap is formed
between the inner and outer tubes. During drilling, the circulating medium flows from the annular gap of the double-walled drill to the bottom of the hole.

The center hole of the inner tube discharges the circulating medium. And carry the core sample back to the surface. The outer tubes of each double-walled drill pipe are connected with threads to ensure the transmission of torque and pressure. The inner tubes are mostly connected by plugging, which generally functions to circulate the circulating medium, and the plugging joints are equipped with sealing devices. Reverse circulation drilling can effectively prevent well wall collapse and improve drilling efficiency.