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Mining Machinery Parts (3)

85mm twist drill pipe /spiral drill pipe/drill rod

FOB Price: US $15 - 89 / Piece Get Latest Price
Min.Order Quantity: 2 Piece/Pieces
Supply Ability: 3000 Piece/Pieces per Day
Port: qingdao
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
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Quick Details

Place of Origin:
China (Mainland)
Brand Name:
ruilong drill
Model Number:
Drill Pipe
Machine Type:
Drilling Tool
High Manganese Steel
Processing Type:
Coal Mining

Packaging & Delivery

Packaging Detail: 1.wooden case
Delivery Detail: within 15 days


2.high- elastic
4.automatically adjustable

1. 85mm twist drill pipe /spiral drill pipe/drill rod

Spiral craft: prestressed wire winding and welding with single strip steel or double strip steel, based on the big torque of geological drill rod.
Material of rod body: geological alloy pipe
Material of connector: first-class alloy constructional steel
Craft: thermal refining in vacuum, which greatly improves the fatigue resistance and shearing strength.
Rod body craft: friction welding, which improves the bending strength and the firmness of the drill rod.
 Production facility: CNC machining equipment, which guarantees the high production efficiency, steady quality and straightness.
Design feature: overlay spiral. It guarantees big torque, quick slagging, and clear hole forming. Besides, the drill bit will hardly get stuck.
Application: soft coal bed, and other formation similar to coal bed, which is hard to drain and deslag.
Geological spiral drill rod, diameter not bigger than 73mm: match all kinds of hydraulic driver drill.
When drill super soft high pressure coal seam, diameter 90mm, 113mm, 133mm, 146mm will be recommended. It will be more convenient to lay and install core barrel. This kind of drill rod guarantees high efficiency of drilling work, which stops a gap in China.

2. 85mm twist drill pipe /spiral drill pipe/drill rod specification

No.Specifications( mm)CraftConnection type with drilling machine
Dia.LengthThread type
150-42500~1500Taper threadFriction weldingclamp
263.5-42500~1500Taper threadFriction weldingclamp
363.5-50500~1500Taper threadFriction weldingclamp
473-50500~1500Taper threadFriction weldingclamp
573-63.5500~1500Taper threadFriction weldingclamp
690-63.5500~1500Taper threadFriction weldingMatch active drill rod
798-73500~1500Hex. ShankFriction weldingMatch active drill rod
8110-63.5500~1500Taper threadFriction weldingMatch active drill rod

3. 85mm twist drill pipe /spiral drill pipe/drill rod photo


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Linqing Ruilong Drilling Tools Co.,Ltd, established in 1993, is located in the famous ancient canal city---Linqing, Shandong, China.

Our company is professional in drill and drill bit used formine. The factory covers 16,000 square meters. There are 80 staff ,7 Professional Technical staff and more than 40 sets specialized equipment. At present, our products are serialized,new T beam with prestressed hollow drill pipe winding series: new drill pipe used for soft rock excavation,coal ... View detail

Basic Information

Product/Service (We Sell): Drill Machine,Drill Rod,Drill Bit,Drill tools  
Brands: Ruilong Drill  
Number of Employees: 101 - 200 People  

Trade & Market

Main Markets: North America
South America
Eastern Asia
Mid East
Eastern Europe
Northern Europe
Central America
Southeast Asia
Total Annual Sales Volume: US$50 Million - US$100 Million  
Export Percentage: 51% - 60%  

Factory Information

Number of Production Lines: 6  
Number of R&D Staff: 31 - 40 People  
Number of QC Staff: 21 - 30 People  
Management Certification: ENTERPRISE CREDIT GRADE CERTIFICATE   Quality system certification certificate  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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How It Works

China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2007 , 18 years OEM

Communicate with Supplier:

Ms. Drill-June Zhang
Ms. Drill-June Zhang:
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