Once the first unit is fastened to a shelf, adding additional units later is as simple as screwing them to the previous one with a few M3 bolts, thanks to captive nuts in the previously-mounted unit.

Each type of captive fastener becomes a permanent part of the panel or item to which it is installed. This permanent installation eliminates loose hardware problems. Both a self-clinching fastener and ...

Captive screws are fasteners which remain attached to a panel or parent material, even after they are disengaged from the mating panel or part. They meld with the parent via cold forming, and then ...