Double Casing Drilling Tools
Specifications
1.Different Structure:With inner drill rods and With inner hammer2.Simple structure
3.Certificate: ISO9001:2008, SONCAP
Application Range: It can be widely used in drilling for grouting holes in projects such as cofferdam,foundation and geothermall and etc.
Working Principles:As water or compressed air for medium,the discharged head make the casing tube and drill rod totate and penetrate.
Structure: with inner drill rods and with inner hammer and Easy operation
Technical parameters
|
|
Ring Bit |
Inner Bit |
|||||||
|
Outer Dia. of Casing (mm) |
Bore Hole Dia. (mm) |
Thread (mm) |
Buttons Dia.×Qty. |
Weight (kg) |
Drill Rod Dia. (mm) |
Drill Bit Dia. (mm) |
Thread |
Buttons Dia.×Qty. |
Weight (kg) |
118 |
125 |
104.2 |
12×13mm/6×12mm |
7.0 |
73 |
85 |
R56 |
8×12mm/6×11mm |
4.5 |
133 |
142 |
122 |
12×13mm/6×13mm |
7.5 |
73 |
99 |
R56 |
8×14mm/6×14mm |
5.0 |
146 |
155 |
134 |
12×14mm/4×13mm |
8.0 |
73 |
115 |
R56 |
8×14mm/7×12mm |
6.0 |
168 |
175 |
153.9 |
12×12mm/6×12mm |
10.5 |
73 |
127 |
R56 |
9×14mm/8×14mm |
7.0 |

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