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Triangle Fastener Gains FM Approval For BLAZER 3 Drill Screws

TFC-Blazer-3Pittsburgh, PA – Triangle Fastener Corporation (TFC) has announced FM approval for their ¼-14 BLAZER 3 Drill Screws in carbon steel. The FM approval is for screw attachments per classes 4471 (Panel Roofs) and 4881 (Exterior Wall Systems). These screws are provided with TRI-SEAL® long-life finish and are approved in lengths up to 11”. 

The listing can be found at, or by visiting the FM RoofNav or Approval Guide website.

BLAZER® Drill Screws are specified by metal roof and wall panel manufactures, including producers of insulated metal panels (IMP).

About Triangle Fastener Corporation


From 23 locations in 15 states, TFC supplies a full line of fasteners, tools, sealants and accessories for steel framing, metal building, metal roofing and flat roofing applications. Jobsite and technical support, product development and product recommendations are available at all locations. Custom design of specialty fasteners is possible, and independent test data can be provided to confirm load capacities. To learn more visit

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