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Chemshine Carbon Co.,Ltd
Chemshine Carbon Co.,Ltd
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International standard NQ HQ PQ Steel Drill Rod / Pipe For Geological Coring Projects

Chemshine Carbon Co.,Ltd
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Chemshine Carbon Co.,Ltd
City: Xiamen
Province/State: Fujian
Country/Region: China
Tel: 86-592-5530176
Contact Person:
Mr CHEN

International standard NQ HQ PQ Steel Drill Rod / Pipe For Geological Coring Projects

Brand Name : Chemshine
Model Number : NQ drill rods
Certification : ISO9001
Place of Origin : China
MOQ : 1pcs
Price : Negotiable
Payment Terms : T/T
Supply Ability : 360000pcs/month
Delivery Time : 8days
Packaging Details : Packed in rolls
Type : NQ HQ PQ diamond core drill equipment
Colour : Black
Material : Strong steel
Special process : entire length heat treatment
Advantage : Long service life
History : 36 years
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International standard NQ steel drill rods drill pipes for geological coring projects


1. Drill rod: BQ, NQ, HQ , PQ , NT, HT drill rods

casing tube: BW, NW, HW, HWT

2. Core barrel: BQ NQ NQ2 NQ3 HQ HQ3 PQ PQ3 head assembly and parts

3. AQ-PQ, T2, T6 etc. Diamond core bit, reaming shell & shoe bit (syntheyic and surface-set, PDC)

4. Drill tool: hoisting plug, water swivel, overshot, outer tube & inner tube wrench, foot clamp,etc.


Geological drill rod
SizeAQBQNQHQPQ
length1m1.5m2m2.5m3m

our customers appreciated our use of high-quality steels, precise heat treating friction welding and thread gauging as well as the development of new tungsten carbides for the drill bit line. Chemshine's geotechnical performance tools were quickly recognized by the industry as reliable and well-designed, and have become one of most respected in the industry.Within its geo tools line,Chemshine provides tooling for overburden cased drilling systems, jet grouting systems and ground freezing systems.


Ground Freezing System

Prevent water intrusion and provide structural support for excavation with these tools.

Ground freezing is a temporary ground support technique that is used extensively for groundwater control and ground stabilization in underground construction and deep excavations. The process involves circulating refrigerated liquids through a series of subsurface pipes to freeze the ground creating a solid barrier that prevents water intrusion and provides structural support for excavation.


Product range

  • Freezing rods up to 114 mm diameter and lengths up to 3 m.
  • Driving rods with various bit configurations including carbide tips and flushing holes with check valves.
  • Rotary drive flanges.
  • Rotary percussive freeze rod systems available upon request.

Key features

  • Specially selected steel to provide strength required for drilling while also remaining stable when subjected to extreme low temperatures.
  • Specially designed threads that maintain a tight seal in the drill string, preventing leakage of freezing fluids into the surrounding ground.
  • Custom designed rod seals that can withstand low temperature as well as tolerate various greases commonly found on drilling sites.
  • Various configurations of driving points incorporating carbide inserts, flushing holes with check valves, and percussive bits.
  • Economical rod designs keeping total project cost to a minimum.

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International standard NQ HQ PQ Steel Drill Rod / Pipe For Geological Coring Projects Images

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