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Help Center2012 Host Selling Mining Rock Drill Bits
Related Products
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Mining Rock Drill BitsUS$ 1 - 10MOQ: 10 Pieces -
High Quality Coal Mine Drill BitUS$ 1 - 10,000MOQ: 2 Pieces
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2012 Best Selling Coal Mining Drill Bits/angur Drill BitUS$ 1 - 10,000MOQ: 2 Pieces
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PDC Bit/PDC Anchor Shank Bit/carbide btUS$ 5 - 100MOQ: 50 Pieces
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Supreme Quality Coal Bit-Two Wings Roof Bolt Dril BitUS$ 1,000 - 10,000MOQ: 1000 Pieces
Specifications
mining rock drill bits,coal mine drill bit2.low price and supreme quality
3.manufacturer
4.Certified by ISO9001
2012 host selling mining rock drill bits
Product Description:
Applications:
Apply to the anchor-network support hole drilling in coal mine, hydraulic project. Etc.
Characteristics:
1. High wear resistance and impact-resistance toughness.
2. To repeat repair & greaning are not necessary, long drill life.
3. High efficiency could be promoted sharply in penetration of high-medium hard rock formation.
4. Labour intensity could be reduced.
5. Rock formation to be suitable t: F=4-12
We can manufacture all kinds of bits and shells according to customer's special requirement.
Any requirement please contact us, we'll do the best service for you. Hope we can establish a good business relationship
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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