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- ADD: Whatsapp:+86 18186993613 (Lucy) Email: sales@superdrill.com.cn
- TEL: 0713-8906693
- FAX: 0713-8906693
- E-mail: sales@superdrill.com.cn



Double Casing
- Structure optimization Strengthen the structural
- Superior performance Smooth with high efficiency
- Hardening treatment of the parts surface with longer operating life
- Product 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.
Product introduction
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 |