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DTH (Down the Hole) drill bit, also called spline connected drill bit, is mainly used in large scale mine (open and underground), open quarry and construction.
DTH (Down the Hole) drill bit, also called spline connected drill bit, is mainly used in large scale mine (open and underground), open quarry and construction. The hammer is situated down the hole in direct connected with the drill bit with splines in the bit. The hammer piston strikes the drill bit resulting in an efficient transmission of the impact energy and insignificant power losses with the hole depth.
1. High quality hardened steel alloy
2. Premium tungsten carbide buttons
3. Optimized flushing holes
4. Multiple shank and face designs
5. Various face and spline configurations
|
CIR70 |
Diameter |
Gauge button |
Weight |
Part number |
|
Ballistic button / flat face
|
76mm |
5X12 |
2.18 kg |
CIR76-76BF |
|
CIR90 |
Diameter |
Gauge button |
Weight |
Part number |
|
Ballistic button / convex face
|
90mm |
6X14 |
3.69kg |
CIR90-90BC |
|
100mm |
6X14 |
4.25kg |
CIR90-100BC |
|
|
110mm |
6X14 |
4.92kg |
CIR90-110BC |
|
|
120mm |
6X14 |
5.52kg |
CIR90-120BC |
|
|
130mm |
6X14 |
6.56kg |
CIR90-130BC |
|
CIR110 |
Diameter |
Gauge button |
Weight |
Part number |
|
Ballistic button / convex face
|
110mm |
6X14 |
5.86kg |
CIR110-110BC |
|
120mm |
6X14 |
5.89kg |
CIR110-120BC |
|
|
130mm |
7X14 |
7.59kg |
CIR110-130BC |
|
|
140mm |
8X14 |
8.47kg |
CIR110-140BC |
|
|
150mm |
8X14 |
9.47kg |
CIR110-150BC |
|
|
170mm |
9X14 |
11.44kg |
CIR110-170BC |
|
|
Ballistic button / flat face
|
110mm |
6X14 |
5.86kg |
CIR110-110BF |
|
120mm |
6X14 |
5.89kg |
CIR110-120BF |
|
|
130mm |
7X14 |
7.59kg |
CIR110-130BF |
|
|
140mm |
8X14 |
8.47kg |
CIR110-140BF |
|
|
150mm |
8X14 |
9.47kg |
CIR110-150BF |
|
|
170mm |
9X14 |
11.44kg |
CIR110-170BF |
|
CIR130(Shank 65mm and 76mm) |
Diameter |
Gauge button |
Weight |
Part number |
|
Ballistic button / convex face
|
130mm |
7X14 |
7.59kg |
CIR130-130BC |
|
140mm |
8X14 |
8.47kg |
CIR130-140BC |
|
|
150mm |
8X14 |
9.47kg |
CIR130-150BC |
|
|
170mm |
9X14 |
11.44kg |
CIR130-170BC |
|
|
Ballistic button / flat face
|
130mm |
7X14 |
7.59kg |
CIR110-130BF |
|
140mm |
8X14 |
8.47kg |
CIR110-140BF |
|
|
150mm |
8X14 |
9.47kg |
CIR110-150BF |
|
|
170mm |
9X14 |
11.44kg |
CIR110-170BF |
|
CIR150 |
Diameter |
Gauge button |
Weight |
Part number |
|
Ballistic button / flat face
|
130mm |
9X16 |
15.73kg |
CIR150-150BF |
|
140mm |
9X16 |
17.46kg |
CIR150-165BF |
|
|
150mm |
9X16 |
18.04kg |
CIR150-175BF |
|
|
170mm |
9X16 |
26.7kg |
CIR150-200BF |
|
CIR170 |
Diameter |
Gauge button |
Weight |
Part number |
|
Ballistic button / flat face
|
175mm |
9X16 |
21.86kg |
CIR170-175BF |
|
185mm |
9X16 |
23kg |
CIR170-185BF |
|
|
200mm |
11X16 |
25.86kg |
CIR170-200BF |
|
|
220mm |
12X16 |
30.5kg |
CIR170-220BF |
|
|
250mm |
15X16 |
38kg |
CIR170-250BF |
