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13inch 14inch 15inch DTH Drill Hammer Bits

With ROSCHEN professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards. It is durable for being produced with advanced craftwork and good material.

Quantity:
  • 13inch 14inch 15inch
  • ROSCHEN
  • ROS-DB-13 14 15 inch

Product Description

13inch 14inch 15inch DTH Hammer Bits

 

13inch 14inch 15inch DTH hammer

 

With ROSCHEN professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards. It is durable for being produced with advanced craftwork and good material.

 

Product specifications: DHD1120 DTH bits

 

Drill Bit

Bit Dia.(mm)

NO.Air

Gauge

Front

Weight(Kg)

Part No.

Holes

Buttons

Buttons

DHD1120

305

4

12*Φ18

36*Φ16

152

DHD1120-305

311

4

12*Φ18

36*Φ16

157

DHD1120-311

330

4

16*Φ18

42*Φ16

165

DHD1120-330

356

4

16*Φ19

42*Φ16

178

DHD1120-356

381

4

16*Φ19

42*Φ18

198

DHD1120-381

SD12

305

4

12*Φ18

36*Φ16

156

SD12-305

311

4

12*Φ18

36*Φ16

168

SD12-311

330

4

16*Φ18

42*Φ16

180

SD12-330

356

4

16*Φ19

48*Φ16

191

SD12-356

381

4

16*Φ19

48*Φ18

200

SD12-381

NUMA120

305

4

12*Φ18

36*Φ16

152

N120-305

311

4

12*Φ18

36*Φ16

158

N120-311

330

4

16*Φ18

42*Φ16

165

N120-330

356

4

16*Φ19

48*Φ16

178

N120-356

381

4

16*Φ19

48*Φ18

195

N120-381

NUMA125

305

4

12*Φ18

36*Φ16

170

N120-305

311

4

12*Φ18

36*Φ16

173

N120-311

330

4

16*Φ18

42*Φ16

182

N120-330

356

4

16*Φ19

48*Φ16

191

N120-356

381

4

16*Φ19

48*Φ18

200

N120-381

 

 DTH Drill bits

DTH hammer has the following advantages:

 

1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of HD series DTH hammer designed according to newest rock drilling theory.

 

2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.

 

3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.

 

4. Easy to depart bit from hammer due to multi-head thread connecting chuck and cylinder of hammer.

 

5. Interchangeable with DTH bit and drill pipe

 

DTH Bit

 

DTH bit is our main product. After many years search, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.

 

1.high and low air pressure down-the-hole drill bits

  2. Low air pressure hole Diameter:65-220mm

3. High air pressure hole Diameter:85-305mm

4. Face type: drop center/concave/convex/double gauge/flat

5. Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.


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