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 Bits
Retrace 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 |
