stainless steel countersunk self tapping screws

One of the key benefits of galvanized expansion anchor bolts is their ability to expand and grip tightly to the base material when installed. This expansion mechanism creates a strong connection between the bolt and the surface, providing a secure hold that can withstand heavy loads and vibrations. This makes galvanized expansion anchor bolts ideal for applications where safety and stability are crucial, such as securing structural elements or heavy machinery.


...

Self-drilling screws, often referred to as self-tappers, are specialized fasteners that eliminate the need for pre-drilled pilot holes. They are engineered to create their own hole as they are driven into materials, making them a preferred choice for various applications in construction, manufacturing, and DIY projects. Among these, 2% self-drilling screws have gained popularity due to their unique advantages and specifications.


...

Chemical anchor bolts consist of two main components a threaded steel rod and a chemical resin cartridge. The rod is inserted into a pre-drilled hole in the concrete, and the resin cartridge is placed inside the hole before the rod is inserted. Once the rod is fully inserted, the cartridge is activated by mixing its contents (usually a two-part epoxy) which causes the resin to expand and harden, securely gripping the surrounding concrete.

...