Product Description
GBR series 76 snap ring Middle/Low air pressure DTH drill bit 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
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.
Contact: Mr Chen
Phone: +86 18574606855
Tel: +86 746 8323309
Email: pearldrill02@guangzhouintl.com
Add: Shanhuxi Road, Chuangfacheng Plaza, Yongzhou City ,Hunan Province China
