28mm High Quality Drilling Tool And Equipment Coal Mining Drill Bits
28mm High Quality Drilling Tool And Equipment Coal Mining Drill Bits
Specifications:
28mm,32mm,42mm,43mm coal mining tool
We can manufacture all kinds of bits and shells according to customer's special requirement.
Advantage:
1.coal mining tool,coal mine drill bit
2.low price and supreme quality
3.manufacturer
4.Certified by ISO9001
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
|
Mining 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 |
|
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.