The Diverse Use Screws And Wall Plugs in Plumbing. The diverse use of screws in plumbing is vast in application. They can be found a wide range of situations. Screws are an essential component of plumbing installations; they hold everything together and provide stability. Fixtures, such as baths, toilets and pipe clips, rely on the stability that a correctly stalled screw can provide to a finished. In the event that screws become rusted or seized, they can be difficult to remove during repair...