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Galvanized Hexagon Head Combination Bolts from China Suppliers - Durable Factory-Direct Fastening Solutions
| 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 |
The use of the outer hexagonal screw with spring cushion combination screw mainly includes:
Fixed Connection
Used for fixing the connection of two or more parts, widely used in electronics, electrical appliances, furniture, and industrial equipment.
Shock Absorption & Mitigation
The elastic cushion effectively reduces vibration and impact, preventing screw damage during operation.
Prevent Loosening
In high-vibration environments, the elastic cushion maintains stability and significantly reduces the risk of the screw coming loose.
Gap Adjustment & Noise Reduction
Helps in adjusting gaps between parts and dampens connector vibration to reduce operational noise and improve comfort.
The hexagonal outer screw belt cushion combination screw is widely used in the industrial field, especially in machining, assembly, and maintenance. They help workers complete tasks more easily and are increasingly favored by consumers for their reliability.
Frequently Asked Questions
What thread sizes are available for these combination screws?
These screws come in a variety of standard sizes including M3, M4, M5, M6, M8, M10, and M12 to suit different industrial requirements.
Why is a spring pad included in the assembly?
The spring pad acts as an elastic component that provides tension, which helps absorb shock and prevents the screw from loosening due to vibration.
In which industries are these bolts most commonly used?
They are widely used in electronics, electrical power, furniture manufacturing, chemical industries, shipbuilding, and water conservancy projects.
How do these screws help in noise reduction?
By dampening the vibrations between connected parts, the spring cushion reduces the mechanical noise generated during machine operation.
Are these screws suitable for maintenance and repair tasks?
Yes, the combination design makes them easier to handle and install, which simplifies assembly and maintenance tasks for both professionals and consumers.