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Home > Bolt > High-Quality Hexagon head bolt, spring washer and plain washer assemblies Manufacturer, Factory
High-Quality Hexagon head bolt, spring washer and plain washer assemblies Manufacturer, Factory
High-Quality Hexagon head bolt, spring washer and plain washer assemblies Manufacturer, Factory
High-Quality Hexagon head bolt, spring washer and plain washer assemblies Manufacturer, Factory
High-Quality Hexagon head bolt, spring washer and plain washer assemblies Manufacturer, Factory
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High-Quality Hexagon head bolt, spring washer and plain washer assemblies Manufacturer, Factory
High-Quality Hexagon head bolt, spring washer and plain washer assemblies Manufacturer, Factory
High-Quality Hexagon head bolt, spring washer and plain washer assemblies Manufacturer, Factory
High-Quality Hexagon head bolt, spring washer and plain washer assemblies Manufacturer, Factory

High-Quality Hexagon head bolt, spring washer and plain washer assemblies Manufacturer, Factory

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Product Description

Hexagon head bolt, spring washer and plain washer assemblies
Technical Specifications
Thread size (d) M3 M4 M5 M6 M8 M10 M12
h ā‘” Public 0.5 0.8 1 1.6 1.6 2.0 2.5
H Public 2 2.75 3.25 4 5 6.25 7.5
dc Public 7 9 10 12 16 20 24
dā‚‚ Reference 5.23 6.78 8.75 10.71 13.64 16.59 19.53
a Max 1.0 1.4 1.6 2.0 2.5 3.0 3.5
1. Other size reference bolts: GB 5783; washers: GB 9074.24, GB 9074.26
2. M8, M10, M12 H values and GB 9074.24-88 corresponding values are not consistent
Key Features & Applications
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Buffering Effect The cushioning effect of the elastic and flat pads effectively reduces loose screws or deformation caused by vibration, impact, or temperature changes.
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Locking Action Maintains the correct position of connecting parts and prevents movement from external forces, ensuring connection tightness and stability.
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Component Protection The assembly bears stress that would otherwise damage components, lightening the load on connecting parts and extending their lifespan.
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Wide Application Ideal for construction, automotive, mechanical, electronic, and electrical industries, as well as furniture and household goods.
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High Precision Usage Suitable for assemblies requiring high accuracy and impact resistance, such as engine installation and steel structure connections.

Why choose us: Genuine Guarantee ā€” Price Concessions ā€” Factory Direct Sales ā€” Quality Assurance

Frequently Asked Questions (FAQ)
What is the main advantage of using a bolt with a spring washer?
The spring washer provides a buffering and locking effect, which prevents the bolt from loosening due to vibrations or mechanical impacts.
In which industries are these hexagon head combination screws used?
They are widely used in automotive manufacturing (engines and bodies), construction (steel structures), electronics, and general machinery maintenance.
What thread sizes are covered in your standard specifications?
Our technical specifications cover a range of thread sizes from M3 to M12, including dimensions for washer diameter and head height.
Are these bolts suitable for high-stress applications?
Yes, hexagon head combination bolts are designed for important assembly requirements where high impact force and precision are necessary.
What standards do these fasteners follow?
They reference standards such as GB 5783 for bolts and GB 9074.24/GB 9074.26 for washers, ensuring industrial-grade reliability.
Does the flat washer protect the surface of the workpiece?
Absolutely. The flat washer increases the load-bearing area, which lightens the load on the connecting parts and avoids surface damage.

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