DHD3.5-90 DTH Hammer Bit

ProDrill DTH Bit Advantage:DTH drilling bits are designed for extended wear life. In addition to this, you benefit from great versitality, higher penetration rates, straighter holes and longer bit life. ProDrill exceptionally versatile series of threaded botton bits, from76-350mm in diameter,are made from proprietary grade ofcemented carbide throughout ProDrill provides all the most efficient. 

If you are looking for more details, kindly visit our website.

 

Rock drilling tools: Bit shank type of DHD series DTH Bits are designed to fit DTH hammers, which is the most popular design for blasting bore holes, water well drilling. In conjunction with DTH hammers, DTH hammer bits with DHD shank type are designed with a splined drive for rotating the bit in the ground. Rock drill bits in DHD shank are available in different sizes and different styles so they can drill a wide range of hole sizes.

 

Flat Face Bit

This is an universal design, especially for hard and abrasive rock formation. So typically, flat face with hemispherical buttons design is the most popular choice.

This kind of face shape is suitable for hard to very hard and abrasive rock formations in application with high air pressure. Good penetration rates an resistance to steel wash.

Dome/Hemispherical Buttons

 

Universal buttons for all rock formation, best suited to hardest and very abrasive rock formation.

 

Parabolic/Semi-Ballistic Button

It is usually used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard formations.

 

DHD Shank DHD3.5-90 DTH Hammer Bit with flat face, dome & ballistic buttons for blasting bore holes, water well drilling.

For more details please watch PDF online: DTH hammer bits with DHD shanks Catalogue

 

 

 

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
 

D

rill 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

For more information, please visit KSQ Technology.

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 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.

 

other specifications:

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