Low Air Pressure DTH Bit

Overview:

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.

Product Applications Product Features Technical Parameters Related Products

Applications

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.

Advantage of Low Air Pressure DTH Drill Bits

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

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