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12 Inch Down The Hole DHD1120 SD12 Numa120 Numa125 DTH Drill Bits for Big Hole Rock Drilling Water well Drilling

Bestlink company makes and supplies the finest and most efficient Down-the-Hole (DTH) hammers and bits for the mining, construction and water well industries.
Drill and blast engineers and water well contractors trust Bestlink's DTH equipment because of the precision engineering and high standards of drilling efficiency built into each of our hammers and bits.
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  • 12 Inch Large Hole Mining and Well Drilling DTH Button Bit
  • Bestlink

12 Inch Down The Hole DHD1120 SD12 Numa120 Numa125 DTH Drill Bits for Big Hole Rock Drilling Water well Drilling

Bestlink company makes and supplies the finest and most efficient Down-the-Hole (DTH) hammers and bits for the mining, construction and water well industries.


Drill and blast engineers and water well contractors trust Bestlink's DTH equipment because of the precision engineering and high standards of drilling efficiency built into each of our hammers and bits.

dth hammer bit

drilling tools button bit

We can design and manufacture according to customer's requirement of the Bit Diameter、No. air holes、carbide button shape and the face shape.

Drill Bit

Bit Dia.(mm)

NO.Air
Holes

Gauge
Buttons

Front
Buttons

Weight(Kg)

DHD1120

305

4

12*Φ18

36*Φ16

152

311

4

12*Φ18

36*Φ16

157

330

4

16*Φ18

42*Φ16

165

356

4

16*Φ19

42*Φ16

178

381

4

16*Φ19

42*Φ18

198

SD12

305

4

12*Φ18

36*Φ16

156

311

4

12*Φ18

36*Φ16

168

330

4

16*Φ18

42*Φ16

180

356

4

16*Φ19

48*Φ16

191

381

4

16*Φ19

48*Φ18

200

NUMA120

305

4

12*Φ18

36*Φ16

152

311

4

12*Φ18

36*Φ16

158

330

4

16*Φ18

42*Φ16

165

356

4

16*Φ19

48*Φ16

178

381

4

16*Φ19

48*Φ18

195

NUMA125

305

4

12*Φ18

36*Φ16

170

311

4

12*Φ18

36*Φ16

173

330

4

16*Φ18

42*Φ16

182

356

4

16*Φ19

48*Φ16

191

381

4

16*Φ19

48*Φ18

200

dth hammer bit (2)

packing site for DTH button bit

dth-hammer-bit-packaging


Product Tag:

DTH Hammer BitButton BitDTH BitDrill Bit SD12 DTH Bit

SD12 DTH BUTTON BITS (4)

SD12 DTH BUTTON BITS (1)

Product Photos for DTH button bit

SD12 DTH BIT

详细描述 Bit-Face-Shape 1详细描述 Bit-Face-Shape 2drill bits


application area

PROJECTdrilling tools button bits




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Bestlink Factory

Xiamen Bestlink Factory Co., Ltd  is  committed  to  provide  the  best  drilling  and  cutting machine,  tools and accessories products in marble and granite stone quarrying,  as well as in civil engineering application, especial demolition project. it is now a leading manufacturer of cutting and drilling equipment for the extraction of marble, granite  and ornamental stones in china.  

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