China Ql50 Ql60 Ql80 SD10 SD12 Overburden Slide Block Wings Casing Drill Bit System

We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, top hammer button bits, coupling, cross bits, drill rods located in Xiamen,Fujian,China.
Product specifications: Slide block casing system


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.