| Customization: | Available |
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| Material: | 45 Steel |
| Type: | Square Head |
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Special Features:
1. The high strength bolts have been widely used in large ball mills up to dia.12-meter mills.
2. The high strength screws can be reliably used in small,middle and large cement mills,coal mils and mine mills.
3. The high strength bolts have been properly heat-treated to achieve better mechanical properties.
4. The standard bolt units include one rubber ring,concave washer,spring washer and nut.
Chemical Composition:
|
Composition (%) |
C |
Si |
Mn |
Cr |
Ni |
Cu |
|
45 steel |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
≤0.25 |
≤0.30 |
≤0.25 |
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