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Expansion Bolt Expansion Bolt
Expansion Bolt Expansion Bolt
Expansion Bolt Expansion Bolt
Expansion Bolt Expansion Bolt
Expansion Bolt Expansion Bolt

High Precision Expansion Bolt

Availability:
Quantity:
  • M5, M7, M8, M12

  • 0.8

  • 3.74, 4.42, 5.04

  • 3.26, 4.56

  • 8, 11

  • 7.64, 10.57

An expansion bolt, also known as a wall plug or sleeve anchor, is a type of fastener designed to provide secure anchorage in materials such as drywall, plaster, or brick. The bolt consists of a threaded bolt with a spring-like expansion sleeve or plate at the end, which expands as the bolt is tightened, gripping the material tightly.
Key Features

Our Anchor Bolt is engineered with a focus on structural integrity and performance. The design begins with a comprehensive understanding of the forces that the bolt will endure in different applications. The shank of the bolt is designed to have a uniform cross-section to ensure consistent strength throughout its length. The threading is carefully designed to provide a secure and reliable connection with the nut and washer system. The anchor end of the bolt is designed to create a strong bond with the foundation material, whether it's concrete, grout, or other substances. For example, the J-bolt design has a curved end that hooks into the concrete, providing excellent pull-out resistance. The L-bolt, on the other hand, has a 90-degree bend that can be embedded in the foundation for added stability. The head of the bolt, if present, is designed to distribute the load evenly and prevent the bolt from being pulled through the surface of the material it is anchored to.


1. High-Quality Manufacturing: Our anchor bolts are manufactured using state-of-the-art equipment and processes. Every bolt undergoes rigorous quality control checks to ensure that it meets our strict standards of quality and performance. This includes testing for tensile strength, thread quality, and dimensional accuracy.


2. Load Distribution Design: The design of our anchor bolts is optimized to distribute the load evenly across the bolt and the foundation. This helps to prevent localized stress concentrations that could lead to bolt failure or damage to the foundation. The anchor end's shape and size are carefully calculated to maximize the load-bearing capacity.


3. Thermal Expansion Compensation: In applications where temperature changes are significant, our anchor bolts are designed to compensate for thermal expansion and contraction. The materials used and the design of the bolt allow for some movement without compromising the integrity of the connection.


4. Ease of Inspection: Our anchor bolts are designed to be easily inspected for signs of damage or wear. The smooth surface and visible parts of the bolt make it possible to quickly assess its condition, ensuring the continued safety and reliability of the structure it supports.

Expansion Bolt

Applications

1. Infrastructure Projects: Anchor bolts are essential in infrastructure projects such as roads, railways, and airports. They are used to secure bridge piers, retaining walls, and other structural elements, ensuring the stability and safety of these critical infrastructure systems.


2. Industrial Facilities: In industrial facilities, anchor bolts are used to anchor heavy machinery, storage tanks, and other equipment. The high load-bearing capacity and durability of our anchor bolts make them suitable for these demanding industrial applications.


3. Historical Restoration: In historical restoration projects, our anchor bolts can be used to reinforce and stabilize old structures. They can be installed in a way that is sympathetic to the original design and materials, ensuring the preservation of historical buildings while providing the necessary structural support.


4. Solar and Wind Energy Projects: Anchor bolts play a crucial role in solar and wind energy projects. They are used to secure solar panels, wind turbines, and their foundations, ensuring that these renewable energy systems can withstand the forces of nature and operate reliably.


FAQ

Q1: Can your anchor bolts be used in seismic zones?

A: Yes, our anchor bolts can be used in seismic zones. We offer anchor bolts that are designed to withstand seismic forces. These bolts are engineered to have a certain degree of flexibility and energy absorption capacity to help structures resist the shaking and vibrations caused by earthquakes. However, it is important to follow the appropriate design and installation guidelines for seismic applications, and our technical team can provide you with more information and assistance.


Q2: What is the minimum embedment depth for your anchor bolts?

A: The minimum embedment depth of our anchor bolts depends on several factors, including the type of base material, the size and design of the bolt, and the load requirements. Generally, for concrete, the embedment depth should be sufficient to ensure the required pull-out resistance. You can refer to our product documentation or consult our technical team for specific embedment depth recommendations for your application.


Q3: Are there any special storage requirements for your anchor bolts?

A: Our anchor bolts should be stored in a dry and clean place. They should be protected from moisture, direct sunlight, and corrosive substances. If possible, store them in their original packaging or in a sealed container to prevent rust and damage. Avoid stacking them in a way that could cause deformation or damage to the threads or the anchor end.


Q4: Can I use your anchor bolts with other types of fasteners?

A: In some cases, it may be possible to use our anchor bolts in combination with other types of fasteners. However, it is important to ensure that the combination is compatible and that the overall performance of the fastening system meets the requirements of the application. You should consult with our technical team or a professional engineer to determine the feasibility and safety of using multiple fasteners together.


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