New Stainless Steel Bi-Metal Screws

Concealor 304 Stainless Steel Bi-Metal Screws from Triangle Fastener Corporation are manufactured from304 stainless steel for superior corrosion resistance and exceptional ductility. According to the company, the buttress thread increases pullout loads and resistance to back-out compared to ordinary roofing screws. The screws are TRI-SEAL top-coated to improve tapping and reduce thread roll-over and feature a #2 square recess for optimal stability during installation. The screws attach to metal, wood, and concrete. They can drill and tap up to 16-gauge steel, and the buttress thread is specified in many metal roofing systems to attach SSR clips over rigid insulation into metal deck.

For more information, visit www.trianglefastener.com

Bi-Metal Drill Screws Feature Corrosion Resistance and Ductility

Triangle Fastener Corporation introduces a full line of 304 stainless steel bi-metal self-drilling screws.

Bi-metal screws have heads and threads made of 304 stainless steel providing corrosion resistance and ductility. A hardened carbon steel drill point welded to a stainless steel body, which allows the screw to drill and tap steel up to ½ inch thick.

The screws are used to attach aluminum, stainless steel, insulated metal panel (IMP) and when ductility is needed in the connection.

  • Available in #12 and ¼ inch diameters
  • Drill and tap up to ½ inch thick steel
  • Lengths up to 12 inches long
  • Head styles include: hex washer head, pancake head and button head
  • With and without EPDM Bond-Seal sealing washers
  • Can be painted to desired color

For more information, visit www.trianglefastener.com.