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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8" DTH Drill Bit

8" DTH Drill Bit
Product Name : 8" DTH Drill Bit
Directions

8" DTH BITS

Bit shank: TH8

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 mining, quarry blasting hole borehole drilling

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

For foundation and piling drilling

For mining, quarry blasting hole borehole drilling

 

Main Model--Examples for TH8 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

TH8

DHD380

SD8

QL80

MISSION80

203

216

220

241

254

 

 

10*18

10*18

10*18

10*18

12*18

 

 

6*18+7*16

6*18+7*16

6*18+7*16

6*18+9*16

12*18+8*16

 

 

2

2

2

2

2

 

 

41

43

44

60

65

 

 

 

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