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Coal Drill Bits

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US$ 1 - 10 MOQ: 6 Pieces
Key Specifications
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Place of Origin:
Henan, China
Brand Name:
Z M
Model Number:
made-to-order
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Henan Zhongmei Drill Tool Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
qingdao
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Henan, China
Brand Name Z M
Model Number made-to-order
Type Other, Center Drill Bit, Drill Bit
Material Other, Tungsten Carbide, High Manganese Steel
Use Other, coal drilling, Coal Mining

coal drill bit/coal bit

  

Applications: Apply to the ancher-network support hole drilling in coal mine, hydraulic project,etc.

Characteristics:

1. High wear resistance and impact-resistanct 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 could be reduced.

5  Rock formation to be suitable t: f=4--12

 

3 wings; 2 wings ; 

 

 

Product Description

The coal bits 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

 coal drill bitscoal drill bits

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Henan Zhongmei Drill Tool Co., Ltd.
Business Type
Manufacturer, Trading Company
Year Established
2007
Factory Size
5,000-10,000 square meters
Total Employees
101 - 200 People
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