29 March 2019
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All the signs are good at FAST Live exhibition

Bollhoff’s RIVNUT fastener has recently been specified for use in the manufacture of road signs by a major European manufacturer.

The products used will be on show at the forthcoming FAST Live Exhibition at Silverstone on 9 May - more details at: https://www.fastenerexhibition.co.uk/news.

RIVNUT is a blind fastener, so the sign maker only needed access to a single side of the piece during manufacture, leading to a much higher throughput and lower installed cost than alternative methods which were also considered during evaluation and testing. Designed specifically for use in thin-walled materials where threads cannot be cut, RIVNUT, says Bollhoff, "delivers strong, resilient threads with excellent pull-out resistance and is also available as a stud".

As the nut or stud is torqued into place in a thin-walled material, the inside face of RIVNUT deforms predictably and by design to shape itself as a collar, which spreads the load area on the fastener over a wide area around the hole. This, says the company, is one reason why the fastener delivers exceptional strength for its size.

Another key design advantage is that Bollhoff offers RIVNUT with a variety of protective coatings. As a result, the fastener is widely used in hostile environments where performance degradation through corrosion is a real threat. RIVNUT is available as standard in aluminium, steel or stainless steel, and users can choose between specifying standard stainless or zinc and zinc-nickel plated finishes to deliver the necessary long-term corrosion resistance.

In another recent example of RIVNUT being chosen for outdoor applications in a difficult environment, the fastener was selected as the primary structural fixing for the mounting of foot straps onto snowboards.

RIVNUT is designed for use in a variety of engineering materials, including plastics, steel, aluminium and composites. In addition to supplying RIVNUT in a wide selection of sizes, Bollhoff also has available a comprehensive range of bespoke RIVNUT installation tools designed for ease of use and to maximise production rates.


Brian Wall

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Bollhoff Ltd


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