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thread Button bit/Rock drilling tools
thread Button bit/Rock drilling tools

Rock Drilling Tool/thread Button bit 1. High penetration rate 2. Excellent flushing, straightness and hole quality

 Rock Drilling Tools/thread Button bit

rock mining hammer tools,Thread Button BitsRetrace button bit

D1

D

Button Amount

41-89

R32

6-12

41-89

R38

6-12

76-115

T38

9-15

76-115

T45

9-15

76-115

T51

9-15

We can design and manufacture according to customers's requirement of the Bit Dia., No. of air/water holes, carbide button shape and the face shape.

Description

Diameter

Length

No. of button

Weight

Taper Angle

a=4°46”, 7°, 11°, 12°

Socket inside Dia.

mm

mm

pcs

kg

28

50

4

0.2

29

50

4 5 6 7

0.2

30

50 80

5 6 7 8

0.2 0.3

32

50 55 71 80

6 7 8 9

0.2 0.22 0.3

33

50 55 71 80

6 7 9

0.2 0.3 0.36

34

50 55

7 8

0.22 0.3

35

55 71 80

4 5 6 7

0.22 0.3 0.37

36

50 55

7

0.3 0.35

37

55

4 6 7

0.3

38

50 55

4 6 7

0.25 0.35

40

50 55

7

0.35

41

50 55 71

4 5

0.35

42

50

6 7

0.4

45

50 55 71

0.5

thread Button bit/Rock drilling tools

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