5 8 expansion anchors

The heavy hex head bolt is employed in a wide range of industries and applications, including construction, automotive, aerospace, and heavy machinery. In construction, these bolts are commonly used to secure structural elements, such as beams and columns, providing stability and preventing deformation under load. In the automotive industry, they are utilized in engine blocks, transmission cases, and suspension systems to ensure the integrity of critical components. Aerospace applications include securing fuel tanks, wings, and other critical structures on aircraft.

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A wafer head screw, as the name suggests, has a flat, thin, and circular head, resembling a wafer. The head is usually larger than the screw's body, providing a broad bearing surface that distributes the load evenly and reduces the chances of damage to the material being fastened. The self-tapping attribute refers to the screw's ability to cut its way through the material it is inserted into, forming threads as it goes, hence the term self-tapping.

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