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3 Kinds Rock Drill Bits

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US$ 1,000 - 10,000 MOQ: 1000 Pieces
Key Specifications
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Place of Origin:
Henan, China
Brand Name:
Henan zhongmei
Model Number:
28mm
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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 Henan zhongmei
Model Number 28mm

Specifications

rock drill bit mainly used in coal mine drilling for roof bolting.We do different measures according to customer's requirements

rock drill bit mainly used in coal and mine drilling.We can do different measures according to customer's requirements or drawing

 

  type one 

Colliery  Tools           Main Standard(mm)      
D H L M
  27 44 17   M14×1.5
  27 54 17   M12×1.75
Thread  28 54 20   M12×1.75
joint 29 52 18   M14×1.5
  30 50 18   M14×1.5
  32 52 22   M14×1.5
  32 56 22   M12×1.75

 

type 2

 

Colliery Tools Main Standard(mm)  
D M
Thread Joint 38 12
40 12
42 12

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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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