expansion bolts for structural steel

Hex head self-drilling screws are characterized by their hexagonal head, which allows them to be driven using a wrench or a socket, providing an excellent grip and making them easy to install. What sets them apart is their unique ability to drill into materials without the need for pre-drilling, thanks to their sharp, self-tapping points. This feature not only saves time but also reduces the need for additional drilling equipment, making the installation process more efficient.


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The installation process of butterfly wall plugs is straightforward and requires minimal tools. First, choose the appropriate size plug based on the weight of the item to be hung and the thickness of the plasterboard. Then, drill a pilot hole slightly smaller than the plug's diameter Then, drill a pilot hole slightly smaller than the plug's diameter Then, drill a pilot hole slightly smaller than the plug's diameter Then, drill a pilot hole slightly smaller than the plug's diameterbutterfly wall plugs for plasterboard. Next, insert the plug into the hole, gently tapping it in with a hammer until it is fully seated. Finally, screw in the accompanying screw, which will cause the wings to spread and lock the plug securely in place.

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