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Spiral drill pipes Mining Drill Rod API

FOB Reference Price:Get Latest Price
US $1-10 / Piece | 1 Piece/Pieces (Min. Order)
Supply Ability:
30000 Piece/Pieces per Quarter
Port:
qingdao
Seller Support:
Payment protection
On-time shipment
Product quality protection
Payment:
More
Overview
Specifications
Place of Origin:
Shandong, China (Mainland)
Brand Name:
ruilong drill
Model Number:
75mm-120mm
Type:
Drill Pipe
Machine Type:
Drilling Tool
Certification:
API
Material:
High Manganese Steel
Processing Type:
Forging
Use:
Coal Mining
diameter:
75-120mm
Packaging & Delivery
Packaging Details:
1.wooden case
2.standard export bundle paacking
Delivery Detail:
within 7 days

China Ruilong Drill Co.,Ltd.

 

Manufacturer of Spiral drill pipes ruilong drill/Mining Drill Rod

 

1.Spiral craft: prestressed wire winding and welding with single strip steel or double strip steel, based on the big torque of geological drill rod.

2.Material of rod body: geological alloy pipe

Material of connector: first-class alloy constructional steel

3.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.
4.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.
5.Application: soft coal bed, and other formation similar to coal bed, which is hard to drain and deslag.

6.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.

 

 

Manufacturer of Spiral drill pipes ruilong drill/Mining Drill Rod

 

 

Type

Specification

C

Outer diameter

E

Inner diameter

Connection

Body

W/p

Kg

Style

Outer diameter

A

DF

mm

Upsetting sizes

D

Center area

mm

B

Bottom area

mm

mm

in

mm

in

mm

in

 

 

 

 

 

Type I

(9300mm/p in length)

ZH-JZ66-6 5/8FH-I

168.3

6 5/8

114.3

4 1/2

6 5/8FH

209.6

8 1/4

195.70

184.2

176.2

965

ZH-JZ55-5 1/2FH-I

139.7

5 1/2

92.1

3 5/8

5 1/2FH

177.8

7

170.7

152.4

144.5

730

ZH-JZ50-NC50-I

127.0

5

76.2

3

NC50

168.3

6 5/8

154.0

139.7

130.2

700

ZH-JZ45-NC46-I

114.3

4 1/2

71.4

2 13/16

NC46

158.8

6 1/4

145.3

127.0

117.5

585

ZH-JZ35-NC38-I

88.9

3 1/2

52.39

2 1/16

NC38

120.7

4 3/4

116.3

101.6

92.1

370

ZH-JZ29-NC31-I

73.03

2 7/8

50.8

2

NC31

104.8

4 1/8

100.4

84.1

81.0

220

Type II

(13500mm/p in length)

ZH-JZ50-NC50-II

127.0

5

76.2

3

NC50

168.3

6 5/8

154.0

139.7

130.2

945

ZH-JZ45-NC46-II

114.3

4 1/2

71.4

2 13/16

NC46

158.8

6 1/4

145.3

127.0

117.5

790

 

 

 

 

 

C,New coal drill rod brief  introduction

    Our company can offer many kinds of drill bits, including chisel type bits, cross type bits, tapered drill rods and integral drill rods, mainly used for mining, coal cutting, tunneling, rock cutting in quarrying.
Hex19*108 [Diameter: 25--29 mm; Length: 400; 800;1600;2400; 3200mm]
Hex22*108 [Diameter: 29--34 mm; Length: 800;1600;2400; 3200; 4000;48 000mm]
Hex25*108 [Diameter: 33--36 mm or 38--42; Length: 800;1600;2400; 3200; 4000mm]

 

We can manufacture all kinds of bits and shells according to customer's special requirement. 
Any requirement please contact us, we'll do the best service for you. Hope we can establish a good business relationship

 

D,Ruilong Consciousness

 

Quality is the enterprise's foundation of survival

Any products with defects are scrapped.

What the Ruilong People pursuit is zero defect

Having the quality crisis sense of 100-1=0

Full-ccourse control is  must.

 

 

 

Ruilong Enterprise Culture

 

      We adhere to the principle of"Win the market by quality.Creat value for the clinets".

   We will be high-quality products,excellent service,favorable price and sincerely hope to cooperate with customers from all over the world.

 

 

"Premium Quality, Competitive Price, & Shortest Delivery!!! "

 

 

 

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Trade Assurance
China (Mainland) | Manufacturer
Transaction Level:
Supplier Assessments:
3 Transactions 9,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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