Installation Procedures
Huck Captive fasteners and rivetless nut plates use the swage (flat collar Figure 1) or flared (100º or 82º countersink figure 2) method of upsetting the sleeve to captivate the assembly to the panel.
Figure 1
Figure 2
There are three types of holes suitable for captive fasteners and Rivetless Nut Plates installation.
Type one: Through-hole This type of hole is suitable where there is a gap or gasket between top and bottom panels or when flush mating of panels is not required.
Type two: Counter-bore hole Counter-bore holes maximizes holding power and provides flush mating between top and bottom panels.
Type Three: Counter-sink hole Countersink-holes are suitable where panel thickness permits. Provides flush matting between bottom and top panels. Note: See engineering standards page for recommended hole diameters and counter-bore/counter-sink depth and installation tools.
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