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Fasteners - Threaded Inserts Versa-Nut®
The Versa-Nut® insert (offered in metric sizes only) is a steel, round bodied, split tail insert with a large flange head. The insert body collapses along slots in the insert body resulting in the formation of four legs or petals on the backside surface of the application. This unique collapse pattern provides a multi-grip grip range and a larger than normal blind side footprint. The leg formation on the rear surface of the application is required for proper installation of the Versa-Nut® insert. Therefore, they cannot be used in blind hole applications. Multi-grip means the insert has the capability to join component parts having a broad range of thicknesses or where thickness varies along the length of an application. This enables a designer to reduce the size or number of inserts in an assembly and may help reduce inventory where a variety of insert sizes might otherwise be necessary. The large blind side footprint and large flange head both serve as load bearing surfaces which absorb the force of setting the insert. Otherwise the setting force, or clamp load, could accumulate in the application material and might damage the material. Additionally ,the application material is clamped between the large flange of the insert and the blind side leg formation during installation, resulting in high resistance to pull-out loads and torque-to-turn. The combination of large blind side bearing surface, large flange head and multi-grip grip range makes the Versa-Nut® insert ideal for use in thin sheet, soft, brittle and low strength materials.
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