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By certification 
Air drill, also known as hard alloy drill bit, Which is the main tool of mining engineering in percussive drilling, our company production of hard alloy drill bit main word, cross, three blades, the ball tooth typedrill bit, drill series products. The drill bit selection of high quality aluminium alloy forging and, selected different grades of alloy and the types of products according to rock conditions, suitable for various gradesof rock, in limestone, granite, marble, iron ore, gold rock drilling engineering.
Name of Produce |
Dia.(mm) |
Tip Size(mm) |
Taper |
Weight(kg) |
| H×W | ||||
|
Normal chrisel bit |
26 |
12×6 |
7 |
0.19 |
28 |
12×8 |
7 |
0.20 |
|
32 |
14×8 |
7 |
0.22 |
|
34 |
14×8 |
7 |
0.27 |
|
36 |
15×10 |
7 |
0.33 |
|
|
38
40
43 |
15×10 |
7 |
0.36 |
|
18×10 |
7 |
0.36 |
||
14×9 |
7 |
0.36 |
||
14×8 |
7 |
0.36 |
||
15×10 |
7 |
0.38 |
||
18×10 |
7 |
0.38 |
||
14×9 |
7 |
0.38 |
||
14×8 |
7 |
0.38 |
||
15×10 |
7 |
0.40 |
||
18×10 |
7 |
0.40 |
||
14×9 |
7 |
0.40 |
||
|
Cross bits |
32 |
12×8 |
7 |
0.30 |
34 |
12×8 |
7 |
0.35 |
|
36 |
12×8 |
7 |
0.37 |
|
38 |
12×8 |
7 |
0.39 |
|
40 |
12×8 |
7 |
0.40 |
|
42 |
14×8 |
7 |
0.41 |
|
45 |
14×8 |
7 |
0.47 |
|
|
Bltton bit |
28 |
4×7 |
12 |
0.22 |
32 |
4×8 |
12 |
0.27 |
|
35 |
5×8 |
12 |
0.35 |
|
38 |
4×9 |
12 |
0.37 |
|
40 |
4×10 |
12 |
0.40 |
|
41 |
5×9 |
12 |
0.45 |
|
43 |
3×10 |
12 |
0.41 |
http://www.chinaminingdrillbits.com/
