| Thread specifications (d) |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
| a |
Max |
1 |
1.4 |
1.6 |
2 |
2.5 |
3 |
3.5 |
| H |
Max |
2 |
2.75 |
3.25 |
4 |
5 |
6.25 |
7.5 |
| dc |
Reference |
5.23 |
6.78 |
8.75 |
10.71 |
13.64 |
16.59 |
19.53 |
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Key Applications of Hex Head Screw with Spring Pad Combination Bolt
🔧
Fixed Connection:
The outer hexagonal screw is used for fixing the connection of two or more parts, widely used in electronics, electrical appliances, power systems, furniture, chemical, and industrial equipment.
🛡️
Shock Absorption & Mitigation:
The cushion, as an elastic component, can effectively reduce vibration and impact, preventing vibration-induced loosening.
🔒
Prevent Loosening:
In cases of vibration or shock, the elastic cushion ensures screws remain stable and reduces the risk of accidental loosening.
📏
Gap Adjustment:
When the precise gap between the screw and the component needs adjustment, the spring pad plays a critical role in gap management.
🔇
Noise Reduction:
The spring pad helps reduce connector vibration, thereby lowering noise levels and improving the overall comfort of the device.
💡
The hexagonal outer screw belt cushion combination screw is essential in industrial machining, assembly, and maintenance. They facilitate easier task completion and are highly favored for professional applications.
❓
Frequently Asked Questions
What is a hexagon head bolt with spring pad combination screw?
It is a fastener assembly that integrates a hex head bolt with a spring (lock) washer, providing secure fastening and anti-loosening performance in one unit.
What thread sizes are available for this combination bolt?
These bolts are available in standard metric thread sizes including M3, M4, M5, M6, M8, M10, and M12 for various mechanical needs.
Why is galvanization used on these combination bolts?
Galvanization adds a zinc coating that significantly enhances corrosion resistance, making them ideal for humid, outdoor, or chemically exposed environments.
How does the spring pad prevent screws from loosening?
The spring pad maintains constant tension between the bolt and surface, compensating for vibration and dynamic loads to keep the assembly tight.
In which industries are these combination bolts most commonly used?
They are widely used in electronics, electrical appliances, power generation, furniture, shipbuilding, and general industrial equipment maintenance.
Can the spring pad combination bolt be reused after disassembly?
While the bolt may be reusable, it is recommended to replace the spring washer as repeated compression can reduce its elasticity and effectiveness.
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