Self-Tapping Plated Steel, Stainless Steel or Titanium Insert. The Tappex Trisert-3 has three cutting features to provide a balanced cutting action and reduced installation torque. It is suited for critical applications in hard plastics & light metal alloys and is available in two lengths, regular and long, and is based upon the Trisert Reduced Headed design.
Self tapping Brass Insert for use in Wood & lower density materials The Tappex Foamsert® is a special version of the Trisert® and has a very coarse truncated external thread form. The Foamsert® threaded insert ideally suited for use in structural foam materials, laminated chipboards, medium density fibre board and certain types of glass reinforced plastics (GRP).