Product Description
GD series high wind pressure drill bit 1.2-2.0mpa working wind pressure mine drill bit.
GD Series has the following types:
GD35A size: 90 95 100 105
GD45A size: 105 110 115 120 125 130(See table below)
GD55A size: 138 146 152 165 178 185 203
GD65A size: 152 165 178 185 194 203 216 235 254
GD85A size: 203 216 235 254 275 305
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: pearldrill01@guangzhouintl.com
Add: Shanhuxi Road, Chuangfacheng Plaza, Yongzhou City ,Hunan Province China
