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42mm 43mm Coal Drill Bit

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US$ 1 - 10,000 MOQ: 5 Pieces
Key Specifications
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Place of Origin:
Henan, China
Brand Name:
ZM
Model Number:
all type
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Henan Zhongmei Drill Tool Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
shanghai tianjin etc.
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Henan, China
Brand Name ZM
Model Number all type
Type Center Drill Bit
Material Cobalt Steel Alloys
Use Other, coal mining

Specifications

1.tungsten carbide drill bit,coal mine drill bit
2.low price and supreme quality
3.manufacturer
4.Certified by ISO9001

42mm 43mm coal 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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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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