A Lag/Swage Bottlescrew or Rigging Screw consists of one (1) threaded AISI 316 marine grade stainless steel Lag Screw and one (1) AISI 316 grade stainless steel Swage Stud, also known as Swage Terminals, screwed into each end of a spun stainless steel threaded pipe, or Bottlescrew.  Miami Stainless Lag Screws and Swage Studs are high quality forged AISI 316 marine grade stainless steel.  Lag Screws are designed to fasten to timber posts, walls or panels while Swage Terminals are designed to be swaged directly to stainless steel wire rope.  Miami Stainless range of Bottlescrews include Econ and the ultra high quality ProRig brand.  Please note; Swage Terminals must be swaged to wire rope with an appropriate swaging press. Bottlescrews are specifically designed to conceal the threads within the pipe for an aesthetically pleasing streamline look.