self drilling metal drywall anchors

One of the primary uses of heavy hex structural bolts is in the assembly of metal structures. They are commonly used in bolted connections in steel framing, bridge construction, and industrial equipment installation They are commonly used in bolted connections in steel framing, bridge construction, and industrial equipment installation They are commonly used in bolted connections in steel framing, bridge construction, and industrial equipment installation They are commonly used in bolted connections in steel framing, bridge construction, and industrial equipment installationheavy hex structural bolts. The advantage of using these bolts lies in their ability to allow for disassembly and reassembly, facilitating maintenance and repairs without damaging the connected components.

...

Resin anchors, also known as chemical anchors, are a type of fastener that utilizes a two-part epoxy resin system to securely attach components to concrete surfaces. This system consists of a resin cartridge filled with a mixture of resin and hardener, and a separate bolt or anchor that is inserted into the cartridge. When the bolt is rotated, it mixes the resin and hardener, causing a chemical reaction that rapidly cures the resin and creates a strong bond between the anchor and the concrete.

...