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Eccentric overburden casing system with three pieces rock drilling tools

  • Origin: China
  • Supply Type: oem service
  • Processing Time: 7days
  • Min Order: 1

Supplier Info.

  • Company Name Changsha Drillstar Construction Machinery Co., Ltd
  • Membership:Free
  • Business Type: Manufacturer, Trading Company, Buying Office, Agent, Distributor/Wholesaler, Government ministry/Bureau/Commission, Association, Business Service (Transportation, finance, travel, Ads, etc), Other
  • Employees Total
  • Annual Revenue

Application Range

It is suitable for drilling water wells,geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project.

Design Principles

Make the casing follow easy and the equipment and operation simple

Outstanding Advantages

Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life.

Specifications

A

B

C

D

E

F

Outer Dia. of Casing Tube

Inner Dia. of Casing Tube

Reamed Dia.

Min. Inner Casing Shoe

Hammer Type

Drill Pipes

mm

mm

mm

mm

mm

108

93-99

118

86

TH79

76

114

101-103

127

91

R56,T38,TH79

76

127

114-116

136

101

TH79

76

140

124-127

152

117

TH98

76

146

127-132

154

117

TH98

76

168

149-155

184

140

TH122

76,89

178

159-165

194

150

TH122

76,89

193

173-180

206

166

TH139

89,114

219

199-206

234

193

TH139,TH180

89,114

245

224-231

260

210

TH180,TH220

114

273

251-257

300

241

TH180

114,127

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