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A Subsidiary Company Of China Geological Equipment Group
Strategic partner of Atlas Copco/ Epiroc since the year of 2012
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Wire Line Coring Drill Rod BC(BQ) Type for Mining Exploration NQ HQ PQ are

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Wire Line Coring Drill Rod BC(BQ) Type for Mining Exploration NQ HQ PQ are

Brand Name : Master Core & Core-XZ
Model Number : BC(BQ)
Certification : ISO:9001-2000
Place of Origin : China
Price : Negotiation
Payment Terms : T/T or L/C
Supply Ability : 10,000pcs per month
Delivery Time : 10-15 working days after payment
Packaging Details : Steel Belt Iron Frame Export Wooden Case
Prodcut Name : Wireline Drill Rods
Application : Wire-line core drilling
Material : 30CrMnSiA Or XJY850
Bore Depth(m) : 2000
Standard : DCDMA CMS GB
Length : 1500mm 3000mm Or As Your Requirement
Thickness(mm) : 4.8
Stock : Always In Good Stock
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Wire Line Coring Drill Rod BC(BQ) Type for Mining Exploration NQ HQ PQ are available

Technical Specifications

NoSizeDrill rodThread typeHeatRaw materialDesigned hole depth
OD mmID mmtreatment
1S565344China standard 45MnMoB1000m
2S5955.546China standard1000m
3S757161China standard1002m
4S958979China standard600m
5S75ABoth side were enhanced61Factory standardheat treatment the Thread45MnMoB1500m
7CBH44Heat treatment the whole pipe30CrMnSiA2500m
12BQ55.646DCDMA standardHeat treatment the whole pipeZT8502000m

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This wire line rod is the equipment that connects the drilling tools and drilling bits, and it is mainly used to transmit power. It mainly consists of a tubing body and two thread ends.

The function of the wire line drill rod :

(1) To transfer torque and rotation from the core drill rig to the drill bit;

(2) To transfer the lifting and pull forces;

(3) To serve a distribution line for the flushing water;

(4) To serve as a distribution line for the inner tube assembly.

A wire line drill rod has a box thread in one end and a pin thread in the other end. Right handed threads are commonly used. The threads are cut directly in the tubing and special separate drill rod couplings are not necessary. Thanks to this ,so called flush jointed design,the wire line drill rods have an even and o constant inner diameter which is a precondition for hoisting the inner tube assembly.The threads are surface treated and the rod is heat treated in order to prolong the life of the wire line rods.

Every wire line dimension requires a matching set of wire line drill rods .i.e.if you change from drilling a B-size core barrel to an other size ,meanwhile you must also exchange the size of wire line rods.


Our company’s Wire line drill rods are manufactured from the best quality heat-treated seamless steel tubes (30CrMnSiA or XJY850). Ultimate tensile strength, yield strength, high precision and good straightness provide the best performance under different drilling conditions. Our wire line drill rods are wildly used in fields(like geology , metallurgy, coal, hydrology, civil engineering projects).

Our Services

Ø Provide the technical solutions;

Ø Manufacturing of non-standard equipment;

Ø Professional technical training and guidance on site according to the requirement;

Ø Supply accessories at any time;

Ø Tele-technical consulting and services;

Ø Other special technical service according to client’s requirements.

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