double ended bolt with nut in middle

When it comes to anchoring systems for concrete structures, chemical anchor bolts are a popular choice due to their reliability and versatility. These bolts, also known as expansion anchors or resin anchors, provide a strong bond between the bolt and the concrete, making them ideal for a wide range of applications. In this article, we will delve into the basics of chemical anchor bolts, their installation process, and best practices for ensuring optimal performance.

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When using chipboard fixings, it is important to follow the manufacturer's guidelines and recommendations for proper installation. Always use the correct size and type of fixing for the job, and ensure that the fixings are installed securely to prevent accidents or structural failures. Additionally, consider factors such as moisture resistance, corrosion resistance, and fire safety when selecting chipboard fixings for specific applications.


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Butterfly screws, also known as toggle bolts, are a type of fastener that features a pair of wings that fold during installation and expand once they are inside a pre-drilled hole. The design allows for a stronger grip on hollow walls, such as drywall, where regular screws might not provide sufficient anchoring. Butterfly screws are particularly useful for mounting heavier items like televisions, where the risk of falling can be a significant concern.


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