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28mm,32mm,42mm,43mm Coal Mining ToolUS$ 1 - 10MOQ: 5 Pieces -
Coal Drill Bit of Coal Mining ToolUS$ 1 - 10MOQ: 10 Pieces
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Coal Drill Bit/coal Mining Drill Tools With Good PriceUS$ 1 - 10MOQ: 10 Pieces
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2012 Host Selling Mining Rock Drill BitsUS$ 1 - 10MOQ: 10 Pieces
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Mining Rock Drill BitsUS$ 1 - 10MOQ: 10 Pieces
Specifications
coal mining tool,coal mine drill bit2.low price and supreme quality
3.manufacturer
4.Certified by ISO9001
coal mining tool/coal bit/coal mining bit
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
We can do different measures according to customer's points.
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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