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       E-mail: sales@quarryingtools.com


       Address: Unit 8001, Part A, Minnan Culture Town, 

       No.350, Changle Road, Huli, Xiamen China.361006


                   




Mission series DTH bits

Mission series DTH bits

M30 M40 M50 M60 M80 DTH hammer bits


Mission series DTH bits


Carbide Button Shape Selection:

1. Domed/Round Button

Domed/Round Buttons are usually used as gauge buttons of DTH bits, suitable for very abrasive and very hard formations.

2. Parabolic/Semi-Ballistic Buttons

Parabolic Buttons are usually used as gauge buttons and front buttons of DTH bits, suitable for medium abrasive and hard formations.

3. Ballistic Button

Ballistic Buttons are usually used as front buttons of DTH bits, suitable for medium abrasive and medium hard formations. They can also be used as gauge buttons if the rock is soft.

4. Sharp Button

Sharp Buttons are usually used as front button of DTH bits for soft formations where fast penetration rates are possible.

5. Flat Button

Flat Buttons are usually used as protection buttons to reduce wear on rubbing surfaces of DTH bits.

 

Diameter

Carbide Inserts

Carbide Type

Weight

Inch

Metric

Gauge

Face


Lbs

Kgs

5 7/8″

150mm

8 x 5/8″

8 x 5/8″

Ballistic

50

22.7

5 7/8″

150mm

8 x 5/8″

8 x 5/8″

Dome

50

22.7

6″

152mm

8 x 5/8″

8 x 5/8″

Ballistic

50

22.7

6″

152mm

8 x 5/8″

8 x 5/8″

Dome

50

22.7

6″

152mm

10 x 5/8″

10 x 5/8″

Ballistic

50

22.7

6″

152mm

10 x 5/8″

10 x 5/8″

Dome

50

22.7

6 1/8″

156mm

8 x 5/8″

8 x 5/8″

Ballistic

51

23.1

6 1/8″

156mm

8 x 5/8″

8 x 5/8″

Dome

51

23.1

6 1/8″

156mm

10 x 5/8″

10 x 5/8″

Ballistic

51

23.6

6 1/8″

156mm

10 x 5/8″

10 x 5/8″

Dome

51

23.6

6 1/4″

159mm

8 x 5/8″

8 x 5/8″

Ballistic

52

23.6

6 1/4″

159mm

8 x 5/8″

8 x 5/8″

Dome

52

23.6

6 1/4″

159mm

10 x 5/8″

10 x 5/8″

Ballistic

52

24.5

6 1/4″

159mm

10 x 5/8″

10 x 5/8″

Dome

52

24.5

6 1/2″

165mm

8 x 5/8″

8 x 5/8″

Ballistic

54

24.5

6 1/2″

165mm

8 x 5/8″

8 x 5/8″

Dome

54

24.5

6 1/2″

165mm

8 x 3/4″

8 x 5/8″

Ballistic

55

25

6 1/2″

165mm

8 x 3/4″

8 x 5/8″

Dome

55

25

6 1/2″

165mm

10 x 5/8″

10 x 5/8″

Ballistic

55

25

6 1/2″

165mm

10 x 5/8″

10 x 5/8″

Dome

55

25

6 3/4″

171mm

8 x 5/8″

8 x 5/8″

Ballistic

56

25.4

6 3/4″

171mm

8 x 5/8″

8 x 5/8″

Dome

56

25.4

6 3/4″

171mm

8 x 3/4″

8 x 5/8″

Ballistic

56

25.4

6 3/4″

171mm

8 x 3/4″

8 x 5/8″

Dome

56

25.4

6 3/4″

171mm

10 x 5/8″

10 x 5/8″

Ballistic

56

25.4

6 3/4″

171mm

10 x 5/8″

10 x 5/8″

Dome

56

25.4



 



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