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SINOCOREDRILL GROUP CO.,LTD " Specialist of Geological Exploration Tools Supplier "
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BW NW HW HWT PW 1.5m / 3m Wireline Drill Rod Casing Tube Joins

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Sinocoredrill Group Co.,Ltd
City: Wuxi
Province/State: Jiangsu
Tel: 86-510-82723272
Contact Person:
Mr Yuan Qi

BW NW HW HWT PW 1.5m / 3m Wireline Drill Rod Casing Tube Joins

Model Number : BW NW HW HWT PW
Certification : CE ISO9001
Place of Origin : China
Payment Terms : T/T, L/C, Western Union
Supply Ability : Based on Detailed Order
Delivery Time : Based on Detailed Order
Packaging Details : Sea Delivery Package
Material : High-Quality Alloy
Length : 1.5m 3m
HS : 7304512
Standard : DCDMA boart longyear
Application : geotechnical and hammering applications.
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BW NW HW HWT PW 1.5m / 3m High-Quality Alloy DCDMA Standard Casing Tube


The casing tube joins to tapered joint with modified buttress thread. It is made from high-quality alloy mainly used in geotechnical and hammering applications.
The casing tube is cooperated with the casing shoes to stabilize the borehole. It can well-adjusted to the broken formation stones.

Before drilling, drill rods should be in operation under the minimum recommended make-up torque to pressure the box and pin. The drilling operation torque should be lighter than make-up torque.

The casing tubes include NW tubes, HW tubes, and HWT casing tubes.

This casing tube is used for specific applications or when it's in the drilling hole. The W casing borrows from DCDMA C80 tubing and the DCDMA W thread form. With a straight thread, this general casing is suitable to various drilling fields where thread casing is required to be left in the ground.

Parallel wall tubing is cooperated with Q.E wireline in-hole tools, and standard DCDMA W sizes are compatible with other W casing

Thread design
Double-butt joint makes driving and jarring more powerful.


This casing is an upgrade version of the standard W casing in speed and performance. Even in abrasive applications. This thread works well under difficult drilling conditions and is designed for repeated application. The WT casing used DCDMA C80 tubing and the tapered HD thread functions well.

Thread design
1.It is combined with HD rod threads.
2.Tapered joint and sparse thread greatly increase efficiency, lightens friction and reduces labor costs.
3.Double-butt tapered joint and heavy duty buttress thread form work with more strength.
4.Tapered thread reinforces the joint and effectively reduces wearing.
5.40% Load efficiency means greater withdraw force in coarse applications.
6.Threads are easier to clean to be put into use again.

Standard drill rod here we offer includeBQ,NQ,HQ,HWT.
BQ rod 1.5m (5fts), BQ rod 3m (10fts),
NQ drill rod 1.5m (5fts), NQ rod 3m (10fts),
HQ rod 1.5m (5fts), HQ rod 3m (10fts),
HWT drill rod 1.5m (5fts), HWT rod 3m (10fts)

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