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Head Assembly & Overshot

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Overshot for Wire-line Coring Drilling, Size Available A B N H P size XZ Wuxi Geotech

High Lightwireline core barrel, drilling core barrel 
Avalilable SizeBC NC NC3 HC HC3 PC PC3
UseWater Well Drilling
FeatureHigh Stability
Innertube LengthAs Your Requirement
Processing TypeMachining Casting
Place of OriginMade in Wuxi, China
Brand NameCoreMaster-XZ
Model NumberAQ BQ NQ NQ3 HQ3 PQ PQ3 T2 Series T6 Series
Minimum Order QuantityN/A
Packaging DetailsSteel Belt Iron Frame Export Wooden Case
Delivery Time10-15 working days after payment
Payment TermsT/T or L/C
Supply Ability10,000pcs per month

Our China core barrel assembly consists of various core barrels, including S56, S59, S75, S75B, S75B-2, S75-SF,S95, and S95-SF series. And it is comprised of outer tube assembly and inner tube assembly.

It has advantages of optimal drilling capacity, high salvaging efficiency, and low consumption.

We will pack the China core barrel assembly according to needs of our clients. For those to be exported, export-standard plywood box will be used.

Wuxi Drilling Tool Factory is a leading C-Q series core barrel manufacturer in China. In addition to C-Q series core barrels, we also provide Chinese overshot assemblies, lifting plugs, foot clamps, round wrenches, etc. to global customers. Our products have ISO9001:2000 and API 5dp certification. Our products are popular with customers in Mongolia, Kazakhstan, Russia, Iran, Afghanistan, Oman, Turkey, Thailand, Vietnam, Myanmar, Malaysia, Indonesia and other countries, Singapore, Taiwan, Colombia, Mexico, Brazil, Canada, Australia and so on. In addition, OEM services are provided. If you have such needs, please feel free to contact us.

Technical Parameters of China Core Barrel Assembly:

  HeadOuter tubeInner tubeUnit weight
  LengthOuter diameterOuter diameterInner diameterOuter diameterInner diameterKg
Ordinary core barrel assemblySC56672355445413740
S91 628877716593
S95/S95B 648979736793
Core barrel for complex strataS75-I 477363565162
S95-I 628979736793
S75-SF 497363565162
S95-SF 628979736793
S150-SF 9314012510698130

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C-Q series Core BarrelThe C-Q series core barrel can be divided into BC, NC, HC, and PC types.And this series core barrel has advantages of good drilling property,high ...
China Core Barrel AssemblyOur China core barrel assembly consists of various core barrels, including S56, S59, S75, S75B, S75B-2, S75-SF,S95, and S95-SF series. And it is ...

QC Profile

1. We have been strictly controlled the quality of our raw materials, and all of our steel metals are from famous steel mills (factories). And physical metallographic analysis and chemical composition test are also used to ensure the quality of raw materials.

2. Immediate inspection will be done for each production procedure, and full examination will be implemented for threaded products.

3. Our outsourcing products will also be strictly examined before utilization.

4. Our sampling rate for final products is higher than 30%.


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