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New fastening solution for thin sheet

18th December 2018


TR Fastenings has designed, developed and patented a new fastening solution, the EPW thread-forming screw for thin sheet metal.

It is a self-extruding, high strength thread-form fastener which creates its own female thread in punched sheet metal, thereby dramatically reducing assembly times and costs. The screw works by being aligned to the pilot hole in the sheet metal, where it then forms the extruded collar, combining the forming of the thread and the creation of a strong extruded profile, before finally tightening and clamping into the metal.

The screw is designed to function best in thin sheet materials, typically Steel (0.4-1mm thick) and Aluminium (0.4-1.5mm thick). They are available in a variety of surface coatings from standard Zinc plating to Zinc Nickel and organic Zinc flake for higher corrosion resistance. The screw is suitable for use in a variety of applications for home appliances, automotive, electronics, technology, energy, medical, telecoms and general industry sectors.

Depending on size, the minimum economical manufacturing quantity is approximately 20,000 pieces. 

 


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