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Galvanized Hexagon Head Combination Bolts with Spring Pad - Reliable China Suppliers & Factory for Construction Needs
📐 Thread Specifications
| 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 |
🔩 Main Uses of the Outer Hexagonal Screw with Spring Cushion Combination Screw
- 🔧 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 and Mitigation: The cushion, as an elastic component, can effectively reduce vibration and impact, preventing vibration and loose screws.
- 🔒 Prevent Loosening: In the case of vibration, the elastic cushion can make the screws more stable, reducing the risk of looseness.
- ⚙️ Adjust the Gap: When the gap between the screw and the part needs to be adjusted, the spring pad can play the role of gap adjustment.
- 🔇 Reduce Noise: The spring pad can reduce the vibration of the connector, reduce noise, and improve the comfort of use.
💡 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 to complete tasks more easily, and are increasingly favored by consumers.
❓ Frequently Asked Questions (FAQ)
Q
What is a hexagonal screw with spring cushion combination bolt?
A
It is a fastener that combines an outer hexagonal bolt with a spring washer (cushion), designed to provide secure fixation while absorbing vibration and preventing loosening in various industrial applications.
Q
What thread sizes are available for this combination bolt?
A
The combination bolt is available in a range of standard metric thread sizes including M3, M4, M5, M6, M8, M10, and M12, covering most common industrial fastening requirements.
Q
How does the spring pad prevent the screw from loosening?
A
The spring pad acts as an elastic component that maintains constant pressure between the screw and the connected parts. Under vibration or dynamic loads, it absorbs shock and keeps the screw firmly in place, significantly reducing the risk of loosening.
Q
In which industries is the galvanized hexagonal combination bolt commonly used?
A
These bolts are widely used across many industries including electronics, electrical appliances, power generation, furniture manufacturing, chemical engineering, water conservancy, shipbuilding, and general industrial equipment assembly and maintenance.
Q
Can the spring pad help with noise reduction?
A
Yes. The spring pad reduces vibration transmission at the connection point, which in turn lowers noise levels generated by mechanical movement or external forces, improving overall operational comfort.
Q
What is the advantage of the galvanized surface treatment on these bolts?
A
The galvanized coating provides excellent corrosion resistance, protecting the bolt from rust and oxidation in humid or chemically aggressive environments. This extends the service life of the fastener and ensures reliable long-term performance.