Shaanxi Hainaisen Petroleum Technology Co.,Ltd
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Coal Rock Drill Bit

Coal Rock Drill Bit

With professional and productive factory, HAINAISEN is one of the leading China coal rock drill bit manufacturers. Welcome to wholesale coal rock drill bit from us, we always have cheap products to offer you. Suitable for soft-medium hard rock formation with f≤8. Size: ¢ 27mm-¢42mm Suitable for...

With professional and productive factory, HAINAISEN is one of the leading China coal rock drill bit manufacturers. Welcome to wholesale coal rock drill bit from us, we always have cheap products to offer you.

 Suitable for soft-medium hard rock formation with f≤8.

         Size: ¢ 27mm-¢42mm

Suitable for medium hard rock formation with f≤10.

Size: ¢ 27mm- ¢ 42mm

Suitable for more integrated and hard rock formation with f≤12.  Size: ¢ 27mm- ¢ 42mm

(Also can made by your requirements or drawing or sample)

Model

Applied Terrane

PDC 2Wing anchor shank drill bit

Half disk normal

For the terrane of ≤8

Whole disk normal

For the terrane of of ≤10

Whole disk reinforced

For the terrane of of ≤15

PDC 3Wing anchor shank drill bit

Half disk normal

For the terrane of of ≤15

Half disk reinforced

For the terrane of of ≤18

Type

Size(mm)

Height(mm)

Nozzle

Normal Type
     &
     Reinforced Type

27

48

Number

Size(mm)

28

48

29

48

3

4

30

48

32

48

36

52



Dia(mm)

Weight on bit(KN)

Rotary Speed(RPM)

Thread(mm)

Connection Type

28

4~6

805~900

12*2


14*1.5


16*2

pin thread connection

30

4~6

805~900

pin thread connection

32

4~6

805~900

pin thread connection

42

6~8

300~500

pin/box thread connection

Note:
    Sizes and types that are not shown above can be customized according to specific drilling requirements.

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