01 February 2010
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Technology allows a shorter rivet nut

Bulge Control Technology (BCT) allows designers to use shorter rivet nuts and is arguably changing the face of the fastening industry.

The patented design removes some of the limitations that prevent traditional rivet nuts from being used in a variety of common application settings.

Zygology, a leading supplier of fastening and assembly solutions, has a customer who wanted to install an M5 rivet nut into a tube with a 12 mm OD and 10 mm. All the standard rivet nuts they tried failed due to the tight radius and the reduced blind side clearance. Basically they were too long.

A reduced length BCT was installed which overcame these issues. This particular fastener is well suited to applications where either blind side clearance is restricted or where blind side protrusion must be kept to a minimum. However, due to the BCT technology, the product still yields thread strength suitable for use with grade 8.8 bolts.

Tubular steel is used in great volume. The size used in this case is one of the most common sizes in Europe and is frequently used in the manufacture of items such as metal furniture. BCT rivet nuts can also be installed into almost any material including GRP, most plastics, wooden board, carbon composites as well as all metals.

Come and meet Zygology at the Fastening & Assembly Solutions Exhibition, 11th March 2010, at the RAF Museum Hendon.

Paul Gay


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