The Rivet Nut is designed with four holes to control the deformation of the body. This property enables the use of Rivet Nuts in applications and materials where they would otherwise not be suitable.
Rivet Nuts include four holes in the deformable shank or body of the Rivet Nut. As the Rivet Nut is installed the location of the holes determines where the bulge will start and how it develops.
This feature enables the use of Rivet Nuts where standard Rivet Nuts would not be suitable. Such as in Plastics, Composites, Wood, and where it is necessary to install into oversize or irregularly shaped holes.
The controlled bulge has a number of distinct benefits:
Its properties are beneficial in materials that are prone to stress cracking where the pressures generated by the bulge of a normal Rivet Nut could fail the material. Similarly in applications that require the Rivet Nut close to an edge the reduced stress induced can prevent the formation of cracks in the thin wall.
More and more applications utilise the benefits of reduced weight and high rigidity for low cost that may be found using sandwich structured composite materials. These materials present the designer with some problems in relation to attaching / assembling parts securely whilst allowing disassembly / servicing.
In the past it has been necessary to include materials and features in the manufacture of the sandwich material to enable standard fasteners to be used. The Rivet Nut offers an alternative where, depending on the material configuration, thickness and requirements, the Rivet Nut can either bridge the entire thickness of the sandwich material or be attached securely to one skin while retaining the continuity of the other skin that could be an A surface.
Hand tools and Pneumatic equipment are available for installing the Rivet Nut please ask for information.
The following are downloads relating to the Rivet nuts range, although a downloads may also be applicable to other product ranges. General information can be found on our downloads page.
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