Tapping Screws Manufacturers

Tapping screws has a straight slot, Philips head, or a straight slot and hex head. To use a tapping screw, drill a hole into the sheet metal the approximate size of the root diameter of the thread. Then turn the screw into the hole with a conventional screwdriver or electric drill with screwdriver bit. These screws are often called as self-drilling screw that can be turned into sheet metal with an electric drill. These screws have a special point used to start the hole. It can be used with light to medium gauges of sheet metal. These screws are available as a washer-screw assembly, which may include rubber grommets for corrosion and moisture protection when fastening metal cladding. These screws are threaded full length. The vast majority of tapping screws are steel but non-ferrous materials such as brass, copper, and aluminum may be obtained as well as stainless steel.