Coal Bit,coal Mining Bit,coal Auger Drill Bit
Specifications
1.tungsten carbide drill bit,coal mine drill bit2.low price and supreme quality
3.manufacturer
4.Certified by ISO9001
Coal bit,coal mining bit,coal auger drill bit
Applications: apply to the anchor-network support hole drilling in coal mine, hydraulic project. Etc.
Characteristics:
- High wear resistance and impact-resistance toughness.
- To repeat repair & greaning are not necessary, long drill life.
- High efficiency could be promoted sharply in penetration of high-medium hard rock formation.
- Labour intensity could be reduced.
- Rock formation to be suitable t:f=4-12
3 wings/ 2 wings
Product description:
The coal bits are mainly used in coal and mine drilling.
We can do different measures according to customer’s requirements.
Colliery Drilling Tools |
Main Standard(mm) |
|||
D |
H |
L |
M |
|
Thread joint |
27 |
44 |
17 |
M14×1.5 |
27 |
54 |
17 |
M12×1.75 |
|
28 |
54 |
20 |
M12×1.75 |
|
29 |
52 |
18 |
M14×1.5 |
|
30 |
50 |
18 |
M14×1.5 |
|
32 |
52 |
22 |
M14×1.5 |
|
32 |
56 |
22 |
M12×1.75 |
|
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