Heavy-duty expansion anchors are mechanical anchors that create a secure hold by expanding within a drilled hole in concrete or masonry. As the anchor is tightened, the anchor body expands against the walls of the hole, ensuring a tight grip that can safely hold heavy loads. These anchors come in various materials, including steel and stainless steel, which are chosen based on the environment and load requirements.

4. Thread Design The threads on Tek screws are designed to bite into materials, facilitating a strong hold without the risk of stripping. This is especially important when working with softer metals or substrates.