Sliding Wing Block Drill Casing Overburden Equipment for DTH Reaming Hole Drilling

• Certification：ISO 9001:2000
• Standard：GB, GOST
• Surface Treatment：Spray-Paint
• Manufacturing Process：Casting
• Material：Alloy Steel
• Reamed Diameter：185-425mm

=== Base Info ===

• Model NO.：QL50, QL60, QL80, SD10, SD12
• Hammer Type：Ql50 Ql60 Ql80 SD10 SD12 DHD350 DHD360 DHD380
• Condition：100% New
• Delivery：20-30days
• MOQ：1PCS
• Color：on Request
• After Sale Service：Yes
• OEM/ODM：Yes
• Transport Package：Carton
• Specification：168-406mm
• Trademark：SANSUNG
• Origin：China
• HS Code：82071300
• Production Capacity：30000 PCS,Year

=== Description ===

Casing Tube

OD(mm)

Casing Tube

ID(mm)

Reamed

Dia(mm)

Casing Shoe

ID(mm)

Hammer Type

Drill Pipe(mm)

168

148

185

138

DHD350/QL50

76/89

178

158

195

148

DHD350/QL50

76/89

194

174

206

163

DHD360/QL60

89/114

219

199

234

187

DHD360/QL60

89/114

245

225

264

212

DHD380/QL80

114

273

253

308

237

DHD380/QL80

114

325

305

350

283

NUMA100/SD10

114

406

382

425

360

NUMA125/SD12

127

Features

Hardening treatment of the part's surface with longer operating life and excellent anti-wear properties.

Structural Optimization, improving the structural strength and ease of operation

Superior Performance, high drilling speed with stable and reliable performance

Application Range

It is suitable for drilling water wells, geothermal wells, short micro piles,medium mini-type grouting hole of building, demand harbor project.

Operation Procedure

1.when the drilling starts, the wings swing out, and reams to drive the casing shoes and tubes into the hole.

2.When finished the drilling in overburden rock formations, reverse the drilling tools and the wings will get closed, and the drilling tools can be raised from the hole.

3.Next construction can be followed.

Quality warranty

Our products are made of high quality steel and all spares parts are inspected strictly before shipping.

Production time

within 15-25 days after receiving the advance payment or full payment

Transportation

according to your requests.

Package
The material of packing is ply-wooden cases and pallet to avoid the damagement  in transportation.