Qingdao Nokunda Drilling Tools Co., Ltd.

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Qingdao Nokunda Drilling Tools Co., Ltd.  

 No. 15 Donghai Xi Road, Shinan District, Qingdao City, Shandong Province, China

Whatsapp: +86 13792983690

Wechat: +86 13792983690 

Email: [email protected]

 

 

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12" DTH Drill Bit

12" DTH Drill Bit
Product Name : 12" DTH Drill Bit
Directions

12" DTH BITS

Bit shank: TH12

Size range 3" 3.5" 4" 5",6" 8" 9" 10" 12" 14" 18" 24" etc

Shank styles: DHD3.5, DHD340, DHD350, DHD360, DHD380; COP44, COP54, COP64, COP84; TD40, QL50, QL60, QL80; Mission40, Mission50, Mission60, Mission80; SD4, SD5, SD6, SD8.SD10,SD12,QL120 NUMA120,NUMA125,NUMA180,NUMA240

APPLICATION

For water well,depep hole well,oil and gas open hole drilling

For foundation and piling drilling

 

Main Model--Examples for TH12 bit(Concave spherical)

Other design of face and inserts are available

 

DTH bit shank

Bit Dia.(mm)

Qty*Button Dia.(mm)

Qty of air holes

Weight/kg

Gauge

Front

TH12

 SD12

NUMA120

QL120

311

320

350

380

 
 

 

15*18

18*18

15*19

18*18

 
 

 

15*18+15*16

 

 

 

9*18+15*18+9*16

 

 

 

9*19+15*19+15*16

 

 

 

12*18+18*18+21*16

 

 

 

 

 

 

 

 

 

 

 

 

3

3

3

3

 
 

 

140

190

210

235

 
 

 

 

 

 

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