Matrix Reverse Circulation Dual Tube Drill Rod Underground Drilling
Matrix Reverse Circulation Dual Tube Drill Rod Underground Drilling
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Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: 4 1/2
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Packaging Details: steel bundle
Supply Ability: 1000000 pcs
Name: Reverse Circulation Drill Pipe
Item: Matrix Reverse Circulation Dual Tube Drill Rod
Series: Matrix Reverse Circulation Dual Tube Drill Pipe
Size: 4 Inch Reverse Circulation Drill Pipe
Type: Remet Thread Reverse Circulation Drill Pipe
Thread Type: Metzke Thread Reverse Circulation Drill Rod
Model: Reverse Circulation Drill Pipe
RE Hammer: Reverse Circulation Hammer
RC50 Hammer: Atlas Copco RC50 Hammer
Product Description

Matrix Reverse Circulation Dual Tube Drill Rod for Underground Drilling



Roschen drill rods feature a combination of exclusive heat treatments and innovative engineering to provide the ultimate in performance and longevity. Roschen RC drill rods expand your drilling capabilities and lower your total drill rod cost per meter/foot in deep, deviated, and demanding wireline coring applications.



The mineral exploration industry utilizes reverse circulation drilling to economically collect representative samples when searching for ore bodies to develop. The reverse circulation method is used predominantly in tough, broken, and abrasive formations. This method offers several economic advantages over diamond coring in these environments as well.

Roschen Drilling Products is the recognized industry leader in RC Drilling Tools. Roschen RC tools are distinguished by their superior performance, reliability, and durability. We manufacture a complete line of reverse circulation drilling tools and support the range with a comprehensive array of associated purpose specific accessories including – Interchanges- Rock Bit Adaptors – Subs – Back Reamers – Hoisting/ Lowering – Drill Collars – Swivels – Fishing Tools and much more.

We address the underground RC drilling operations with our M3.25 RC Drill Rod. Surface mineral exploration applications utilize our M4 – 4.5” – 5.5” – 6” RC Drill Rod while additional larger diameter RC Drill Rods 7″ – 9 5/8″ – 10.75″ are used for bulk sampling, mine dewatering, and water resource applications. 

Sizes 3", 3 1/2", 4", 4 1/2", 75mm and 78mm
Thread Types Remet, Metzke, RRE, Westrod, LW, TS and other threads


Thread Type Remet Remet Remet Metzke Metzke Matrix Matrix
Rod O.D. 3 1/2" 4" 4 1/2" 4" 4 1/2" 4" 4 1/2"
Outer Tube O.D. 88.9mm 101.7mm 114.3mm 101.7mm 114.3mm 101.7mm 114.3mm
Outer Tube I.D. 81.8mm 94.6mm 107.2mm 94.6mm 107.2mm 94.6mm 107.2mm
Outer Tube W.T. 5.3mm 7.1mm 7.1mm 7.1mm 7.1mm 7.1mm 7.1mm
Inner Tube O.D. 38.1mm 50.8mm 63.5mm 50.8mm 63.5mm 50.8mm 63.5mm
Inner Tube I.D. 32.6mm 45.3mm 58mm 45.3mm 58mm 45.3mm 58mm
Inner Tube W.T. 5.5mm 5.5mm 5.5mm 5.5mm 5.5mm 5.5mm 5.5mm
Spanner Flat 90mm 90mm 90mm 90mm 90mm 90mm 90mm
Weight 3.0m 75kg. 75kg. 95kg. 75kg. 95kg. 75kg. 95kg.
Weight 6.0m 120kg. 150kg. 168kg. 150kg. 168kg. 150kg. 168kg.


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Contact Person : Mr. Bill, George, Michael
Tel : 13764195009
Fax : 86-021-54380177
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