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Galvanized Hexagon Head Combination Bolts with Spring Pad - China Suppliers & Factory Supply
| 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 value | 5.23 | 6.78 | 8.75 | 10.71 | 13.64 | 16.59 | 19.53 |
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Key Applications of Outer Hexagonal Screw with Spring Cushion Combination
- 🔩 Fixed Connection: The outer hexagonal screw is used for fixing the connection of two or more parts, widely used in electronics, electrical appliances, electrical power, furniture, chemical, water conservancy, ships and other industrial equipment and devices.
- 🛡️ Shock Absorption & Mitigation: The cushion, as an elastic component, can effectively reduce vibration and impact, preventing vibration-induced screw loosening.
- 🔒 Prevent Loosening: In the case of vibration or oscillation, the elastic cushion can make the screws more stable, reducing the risk of looseness.
- 📐 Gap Adjustment: When the gap between the screw and the part needs to be adjusted, the spring pad can play the role of precise gap adjustment.
- 🔇 Noise Reduction: The spring pad can reduce the vibration of the connector, lower noise levels, and improve overall use comfort.
The hexagonal outer screw belt cushion combination screw is widely used in the industrial field, especially in machining, assembly and maintenance. They can help workers complete tasks more easily, and are increasingly favored by consumers across various industries.
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Frequently Asked Questions (FAQ)
Q
What is a hexagonal screw with spring pad combination bolt?
A hexagonal screw with spring pad combination bolt is a fastener assembly that integrates a hex head bolt with a spring (split lock) washer. This combination provides secure fastening while preventing loosening caused by vibration or dynamic loads.
Q
What thread sizes are available for this combination bolt?
These combination bolts are available in standard metric thread sizes including M3, M4, M5, M6, M8, M10, and M12, covering a wide range of industrial and commercial fastening applications.
Q
Why is galvanization applied to these combination bolts?
Galvanization provides a protective zinc coating that shields the bolt from rust, corrosion, and oxidation. This makes galvanized combination bolts suitable for outdoor environments, marine applications, and industries exposed to moisture or chemicals.
Q
How does the spring pad prevent screw loosening?
The spring pad (split lock washer) acts as an elastic component that exerts continuous tension between the bolt head and the mating surface. This tension counteracts the vibrational forces that typically cause screws to loosen over time, maintaining a secure and stable connection.
Q
In which industries are these combination bolts commonly used?
These bolts are widely used in electronics, electrical appliances, power generation, furniture manufacturing, chemical engineering, water conservancy, shipbuilding, and general industrial machinery assembly and maintenance.
Q
Can the spring pad combination bolt be used for noise reduction purposes?
Yes. The spring pad absorbs and dampens vibrations transmitted through the fastener joint, which in turn reduces operational noise. This makes them particularly beneficial in equipment where noise levels and operator comfort are important considerations.