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| Place of Origin | CHINA |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 5 1/2" / 140mm |
5 1/2 inch reverse circulation drill pipes with 6 meters long for golden RC drilling
Roschen Reverse Circulation (RC) Drill Rods
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.
World's Toughest RC Drill Pipe
THE ROSCHEN QUALITY ADVANTAGE
You can be sure that Roschen RC Drill Pipe will still be going strong when others have worn out.
Roschen 4 ½" drill rods have been independently certified at the Class 1 pressure vessel rating (AS1210–2010) for weld quality.
RC drill pipe or rods using high specification austenitic stainless steel for down-hole surveying are also available.
| REVERSE CIRCULATION DRILL ROD SPECIFICATIONS | |||||||
| Type / Thread | 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 WT | 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 WT | 5.5mm | 5.5mm | 5.5mm | 5.5mm | 5.5mm | 5.5mm | 5.5mm |
| Spanner Flat | 90mm | 90mm | 90mm | 90mm | 90mm | 90mm | 90mm |
| Weight 3.0 m | 77 kg. | 77 kg. | 97 kg. | 77 kg. | 97 kg. | 77 kg. | 97 kg. |
| Weight 6.0 m | 125 kg. | 155 kg. | 172 kg. | 155 kg. | 172 kg. | 155 kg. | 172 kg. |
FAQ
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 10-15 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. Can you customize the product?
We can customize products according to your required diameter, thread type, thickness color ect...... We can produce by your samples or technical drawings.
6. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time
c. Free replacement will provide once the failure confirmed caused by our product quality
d. 24 Hours service hotline:
Contact Us at Any Time
