FF-35 Fix & Fasten is a range of self-drilling, self-tapping metal fasteners used for joinery, construction, and repair work. The metal fasteners are made of carbon steel and are designed to be durable and easy to use. The fasteners come in standard sizes and are designed to cut their own hole when installed, greatly simplifying the installation process. They can be used with a variety of materials, including sheet metal, steel deck, masonry, and concrete. They are supplied with a variety of head designs, thread lengths, and screw sizes and are available in plain, zinc-coated, and stainless-steel finishes.