double ended stud fastenal

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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In construction and civil engineering, chemical resin bolts are often used to secure machinery, hangers, brackets, and other fixtures to masonry, concrete, and even stone surfaceschemical resin bolts. In automotive manufacturing, they provide a quick and strong method for attaching components without adding unnecessary weight. And in marine applications, their resistance to corrosion offers a significant advantage over other fastening methods.

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