For example, four different blind rivets with different grip ranges must be used for different application thicknesses from 1.5 to 6.0 mm.
Conventional blind rivets are designed to cover a small specific grip range (application thickness) of components to be joined.In addition, due to the greater load distribution, thinner or fragile sheets can be fastened to the closing head side/blind side without damaging or deforming them. As a result, the VGrip™ can absorb higher tensile forces than a conventional multi-grip rivet. This special feature enables the POP® VGrip™ to distribute tensile forces over a considerably larger area on the side of the closing head (see following diagram).In addition, the mandrel head does not dip into the rivet sleeve, which is not the case with conventional multi-range blind rivets. During the setting process, the sleeve material is moved radially outwards, resulting in a disc-shaped closing head.
An important feature of the VGrip™ blind rivet is the closing head design. The advantages of this new development are as unique as they are numerous. The latest development in the POP® brand range is the POP® VGrip™. A great deal has happened since then in the development of blind rivets. The KVT-Fastening Group played a major role in the market launch of the POP® blind rivet at the beginning of the 1960s and today has extensive expertise in the field of blind riveting technology. What was initially developed as a fastener exclusively for the aerospace industry was soon used in other industries due to its efficient processability and the advantage of one-sided access. The first blind rivet was developed and manufactured in 1934 by “George Tucker Eyelet” in Birmingham, England. No thermal load on the workpieces to be joined. Different material thicknesses can be joined with only one rivet. Different materials can be joined together (mixed materials, plastics, sandwiches etc.). This is a huge benefit because fastening solutions normally are requiring two-sided access, their integration is reduced to work on individual parts or involves considerable set-up costs. Compact tools are available for this purpose. One of the main arguments in favour of blind rivets is that the process only requires one-sided access. 
With fastening solutions from the field of blind rivet technology, we offer fasteners that meet all three requirements and also offer additional advantages:
And finally, the solutions should be cost-effective and yet of high quality. On the other hand, a simple and safe processing method is essential during production. On the one hand, the fastening and joining function should be guaranteed over the entire service life of the product. There are three basic requirements for fastening technology that apply to just about every industry:
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