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Big discounting Rock Drilling Bit - Concentric casing system with wings – Spark Featured Image
  • Big discounting Rock Drilling Bit - Concentric casing system with wings – Spark
  • Big discounting Rock Drilling Bit - Concentric casing system with wings – Spark

Big discounting Rock Drilling Bit - Concentric casing system with wings – Spark

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We thinks what customers think, the urgency of urgency to act in the interests of a customer position of principle, allowing for better quality, lower processing costs, prices are more reasonable, won the new and old customers the support and affirmation for Dth Hammer Operation, Dth Hammer Air Consumption, Eccentric Casing Systems, We encourage you to make contact as we are looking for partners in our venture. We are sure you will find doing business with us not only fruitful but also profitable. We are ready to serve you with what you require.
Big discounting Rock Drilling Bit - Concentric casing system with wings – Spark Detail:

Application

Applicable for land surface covered, with loose material such as soil, clay, weathered rock sand.

Component parts

Concentric casing system with wings

Operation procedure

Concentric casing system with wings2

Step1: When drilling starts, the system drives the casing shoe and casing tube move down.
Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole.
Step3: If the hole have reach the desired depth, finish the drilling and continue other process.
Step4: If you still want to drill deeper, use the conventional DTH bit to drill to the desired depth.

Advantages

The locking kit is very reliable, it prevents the wings falling off.
Ralated part list

Concentric casing system with wings2
Concentric casing system with wings6
Concentric casing system with wings

Specification of concentric casing system with blocks

Concentric casing system with wings7

 

D

 

h

H

C

G

 

 

 

Model

O.D. of Casing Tube (mm)

I.D. of Casing Tube (mm)

Wall thickness (mm)

Guide device max. Dia. (mm)

Reamed Dia.

(mm)

Min. I.D. of Casing shoe (mm)

Qty. of  the wings

Hammer Type

Weight（KG）

T90

114

101

6.5

99

125

90

2

COP34/DHD3.5

15

T115

146

126

10

124

157

117

2

COP44/DHD340/SD4/QLX40

20.3

T136

168

148

10

146

180

136

2

COP54/DHD350/SD5/QL50

33.4

T142

178

158

10

154

195

142

2

COP54/DHD350/SD5/QL50

38.8

T160

194

174

10

172

206

160

2

COP54/DHD350/SD5/QL50

46.4
Product detail pictures:

Big discounting Rock Drilling Bit - Concentric casing system with wings – Spark detail pictures

Big discounting Rock Drilling Bit - Concentric casing system with wings – Spark detail pictures

Related Product Guide:
We have a highly efficient team to deal with inquiries from customers. Our goal is 100% customer satisfaction by our product quality, price & our team service and enjoy a good reputation among clients. With many factories, we can provide a wide range of Big discounting Rock Drilling Bit - Concentric casing system with wings – Spark , The product will supply to all over the world, such as: Libya, Venezuela, India, We care about every steps of our services, from factory selection, product development & design, price negotiation, inspection, shipping to aftermarket. We have implemented a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our products have been strictly inspected before shipment. Your Success, Our Glory: Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.
    • This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Arlene from Sacramento - 2018.02.08 16:45
    This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Natividad from Roman - 2018.12.28 15:18
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