Description
DTH hammer type drilling inside the case It can be widely used in drilling for grouting holes in projests such as cofferdam, foundation and geothermal well and etc.
Whatsapp/Phone:+86 18186993613
E-mail: sales@superdrill.com.cn
Technical Data |
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A |
B |
C |
D |
E |
F |
G |
outer dia |
reamed dia |
inner dia |
thread |
drill rod |
drill bit dia |
thread |
(mm) |
(mm) |
(mm) |
mm |
mm |
mm |
|
118 |
125 |
88 |
104.5 |
76 |
83 |
R56 |
133 |
140 |
108 |
122 |
76 |
102 |
R56 |
146 |
152 |
120 |
134 |
89 |
116 |
R78 |
168 |
172 |
133 |
146.5 |
114 |
128 |
R83 |
216 |
225 |
178 |
203 |
114 |
165 |
R102 |
Product picture |