hex washer head tapping screw

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.

...

The primary function of wedge bolts is to firmly attach the wooden or metal forms to the concrete foundation or structural steel. This ensures that the forms maintain their position during the pouring and setting of the concrete, preventing any displacement or leakage that could compromise the integrity of the structure. The bolts' ability to withstand high tensile forces is critical in withstanding the pressure exerted by wet concrete and the subsequent curing process.

...