stainless steel self drilling screws for metal

The primary structure of a wedge-type anchor consists of a threaded rod, a nut, a washer, and the wedge itself. The threaded rod, often made from durable materials like steel or stainless steel, is inserted into a pre-drilled hole. As the nut is tightened, the wedge is forced against the inner wall of the hole, causing the anchor to expand. This expansion generates a powerful frictional force that locks the anchor in place, providing exceptional holding power.

...

Overall, metal expansion anchors are an indispensable tool for any construction project that requires secure and reliable mounting solutions. Their strength, durability, and ease of installation make them a popular choice among contractors and DIY enthusiasts alike. Whether you are hanging a heavy mirror or installing a new shelving unit, metal expansion anchors provide the support and stability needed to ensure a successful and long-lasting installation.

...