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| Categories | Core Barrel | 
|---|---|
| Brand Name: | ROSCHEN | 
| Model Number: | NQ3 HQ3 PQ3 | 
| Certification: | ISO | 
| Place of Origin: | CHINA | 
| MOQ: | 5 PCS | 
| Price: | Negotiate | 
| Supply Ability: | 100000000 pcs | 
| Packaging Details: | wooden box | 
| Company Info. | 
| ROSCHEN GROUP | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
pump out adaptor piston piston plug for wireline coring system triple tube diamond drilling NQ3 HQ3 PQ3 ejection kit
pump out adaptor piston piston plug for wireline coring system triple tube diamond drilling NQ3 HQ3 PQ3 ejection kit
Roschen group limited specializes in the development, production
and sales of exploration drilling tools as well as providing
drilling solutions and services. Roschen is a national advanced
technology enterprise, one of the drafters of geological drilling
tool standard of DCDMA, award of second prize of National Science
and Technology Progress.
Roschen determine world class intelligent production line of
diamond core drilling consumables. Roschen possesses core
technology of diamond tools and knowledge of deep hole drilling
tools. A dedicated testing lab and strict adherence to the ISO9001
quality control system ensure every piece is qualified. Standard
drilling units make hands-on experience in high efficiency drilling
available to ROSCHEN. ROSCHEN takes drilling industry in China to a
high speed train and makes us come into a high efficient and safety
drilling expert.
FEATURES:
Wireline double tube core barrels are available in BQ NQ HQ PQ SQ
standards, which is composed of outer tube group & inner tube
group. However, diamond bit & reaming shell are not included when
pricing.
Outer tube group is composed of locking coupling, adaptor coupling,
landing ring, outer tube, stabilizer, reaming shell & bit. Outer
tube is available in 3M & 1.5M.
Inner tube group is composed of head assembly, inner tube, stop
ring, core lifter, core lifter case. Inner tube is available in 3 &
1.5M.
PRODUCT SPECIFICATIONS
| Standard | OD | ID | Wall Thickness (mm) | TPI | Pin Thread Length(mm) | Weight | 
| (mm) | (mm) | (kg/m) | ||||
| BWL | 55.7 | 46.1 | 4.8 | 3 | 44.45 | 6.03 | 
| NWL | 70.5 | 60.3 | 5.1 | 3 | 44.45 | 8.08 | 
| HWL | 89 | 77.8 | 5.6 | 3 | 44.45 | 11.52 | 
| PWL | 114.3 | 101.9 | 6.2 | 2.5 | 63.5 | 16.53 | 
| SWL | 139.7 | 125.5 | 7.1 | 2.5 | 62.8 | 23.22 | 
PRODUCT CONFIGURATION
Drill Rods: BQ, NQ, HQ, PQ, SQ; NRQ, HRQ, NHD, HHD, PHD
Casings: AW, BW, NW, HW, HWT, PW, PWT, SW; AX, BX, NX, HX, PX, SX
Lengths: 1.5M, 3M
Both Ends Heat Treated
Non-standard also can be made as your demand

Our Advantages
1. Professional Team & Experience:
Our expert team in this area has an experience of more than 30
years.
2. World-Class Intelligent Facilities:
We own precision CNC machine, milling machine, quenching machine,
precision lathe, sintering machine and other
advanced equipments.
3. Selected High Quality Raw Materials:
We select raw materials from leading big steel factories, such as
BAO STEEL, TANG STEEL, HEBEI STEEL GROUP which
are the best and largest raw material manufacturers in China.
4. Strict Physical/Chemical Testing Procedures:
We have own lab in our factory to make sure our products can meet
the requirements of design and process, and
provide reliable testing data.
5. Short Delivery Time:
Normal production takes 7 days. And we in stock standard products
which can be shipped very soon.
6. Safe Package & Shipment:
Standard export packages with well protection or in wooden/steel
cases.
7. Best After-Sale Service:
Timely communication & response especially for trouble shooting. We
got good reputation around the world since all these years.
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