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[China]
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Address: 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact name:Bill, George, Michael
ROSCHEN GROUP |
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Reverse Circulation Drill Rods and drill pipe consist of European
hardened 4140 alloy steel tool joints
Reverse Circulation Drill Rods
Reverse Circulation Drill Rods and drill pipe consist of European
hardened 4140 alloy steel tool joints
Increase productivity and reduce your consumables costs with
Roschen RC drill rods/pipe.
Introduction
Our reverse circulation drill rods and drill pipe consist of
European hardened 4140 alloy steel tool joints with heavy duty
seamless drill pipe and high tensile API 5CT rated wear resistant
Inner Tubes. Drawing on our years of experience in the design and
manufacture of tough and wear resistant RC drill rods, every aspect
of material and production management is optimized. The result is
premium quality reverse circulation drill pipes that keep your RC
drill rig efficiently producing day after day. RC drilling
companies across the globe know they can rely on Harlsan reverse
circulation drill pipe.
Testimonial
Roschen reverse circulation drilling rods and inner tubes have
outstanding quality, thread Strength and Wear life. Our 4 ½" RRE
drill string is still going strong after 3 years in the field. We
rely on harlsan quality and service to keep us drilling.
You can be sure that Harlsan RC Drill Pipe will still be going
strong when others have worn out.
RC drill pipe or rods using high specification austenitic stainless
steel for down-hole surveying are also available.
TECHNICAL SPECIFICATIONS
All standard Lengths from 1m to 6m available
| Sizes | 3", 3 ½", 4", 4 ½", 75mm and 78mm |
| Thread Types | Remet, Metzke, RRE, Westrod, LW, TS and other threads |
| REVERSE CIRCULATION DRILL ROD SPECIFICATIONS | |||||||
| 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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For more information, please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
http://www.roschenmining.com ; http://www.roschendrilling.com
