CIR/DHD/Cop/Br High Air Pressure Hard Rock Drilling/DTH Hammer Drill Bit
Product Description
GBR series 76 snap ring Middle/Low air pressure DTH drill bit manufacturer Mountain drill Down-hole drill
GBR Series has the following types:
GBR 1A size: 64 70 76(See table below)
GBR 2A size: 76 80 90
GBR 3A size: 90 95 100 105
Special models can be customized
Fast drilling and retrieval!High efficiency, low labor intensity of workers!
DTH Drill Bit Usage
Widely used in earth and stone engineering mining Wells drilling construction projects drilling Wells edge pillar support.
DTH Drill Bit Model
Medium/Low wind pressure DTH Drill bit:80 90 100 110 120 130 140 150 180 185 200 220
High wind pressure DTH Drill bit:115 127 138 152 165 178 195 203 216 240 254 304
Medium/Low wind pressure DTH Drill bit, High wind pressure DTH Drill bit
DTH Hammer Model
Medium/low wind pressure DTH hammer: CIR65 CIR70 CIR90 CIR110 CIR130 CIR150 CIR170 CIR200
High wind pressure DTH hammer: DHD340 DHD350 DHD360 DHD380 N125 SD12
Main Specification:
Type |
Model |
Length
(mm)
|
Weight
(kg)
|
External Dia.(mm) |
Hole Range
(mm)
|
3.5 inch |
DHD3.5 |
930 |
25 |
Φ82 |
Φ90-110 |
4 inch |
DHD340 |
1030 |
39 |
Φ99 |
Φ110-135 |
SD4 |
1084 |
40.5 |
Φ99 |
||
QL4 |
1097 |
41 |
Φ99 |
||
Mission40 |
1005 |
40 |
Φ99 |
||
5 inch |
DHD350 |
1214 |
76.5 |
Φ125 |
Φ135-155 |
SD5 |
1175 |
72.5 |
Φ125 |
||
QL5 |
1147 |
73 |
Φ125 |
||
Mission50 |
1110 |
68.5 |
Φ125 |
||
6 inch |
DHD360 |
1248 |
100 |
Φ142 |
Φ155-190 |
SD6 |
1261 |
100 |
Φ142 |
||
QL6 |
1212 |
95 |
Φ146 |
||
Mission60 |
1161 |
90 |
Φ146 |
||
8 inch |
D85 |
1492 |
188 |
Φ180 |
Φ195-254 |
SD8 |
1463 |
192 |
Φ180 |
||
QL8 |
1465 |
182 |
Φ180 |
||
Mission80 |
1338 |
176 |
Φ180 |
||
10 inch |
SD10 |
1502 |
290 |
Φ226 |
Φ254-311 |
NUMA100 |
1510 |
288 |
Φ226 |
||
12 inch |
DHD1120 |
All can be designed according to your requests!
|
|||
Numa120 | |||||
Numa 125 | |||||
DTH Hammer Drill Bits Application
Widely used in metallurgical, coal, chemical, building materials are not busy mines and water conservancy, hydropower, highway and railway defense construction projects, etc. Suitable for dry wind water mixing and shotgun-hole water gushing wet operation, reliable performance, is the ideal drilling hole and rock drilling equipment.
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