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STANLEY Engineered Fastening, a Stanley Black & Decker company, has announced that it is joining two of the most famous brands in blind fastening, POP and Avdel, into a single entity. The new brand, which will be known as POP Avdel from this point forward, is now the largest in the market and will produce the broadest line of specialty engineered structural and non-structural blind fastening systems in the world.
These iconic brands are the largest and the oldest in blind fastening dating as far back as 1933 for POP and 1936 for Avdel. This union is designed to create an integrated product line with combined experience of almost 160 years. The merger promises to lead to even more innovative fastening solutions in the future as well as a consolidation and streamlining of existing product lines to help manufactures build more structurally-sound products.
Industries that stand to benefit most from this consolidation globally include aviation, automotive, ground transportation, recreational equipment, appliances, electronics, energy, medical equipment, HVAC, and steel constructions.
POP brand rivets are one-sided fastening devices that offer superior assembly performance over screws when joining two or more components that can be made of different materials. The rivet is inserted into a pre-drilled hole through the parts to be joined. Then a specially designed tool is used to draw the center pin (stem) into the rivet body. In doing so, the blind end of the rivet expands to create a secondary “closing” head to clamp the workpieces together. At an engineered, predetermined breaking point, the stem snaps off. The joined parts are then held firmly in place.
Within the industrial world, Avdel has wielded significant influence in its own right with its broad line of fasteners and tooling solutions which include: Speed Fastening® systems; breakstem and lockbolt systems; blind threaded inserts; Self Pierce rivet fastening systems; sealing plugs; as well as installation equipment and assembly stations.
Historically famous innovators
The consolidation of POP Avdel brings together two industrial giants that literally created the blind riveting industry, from the earliest days of the 20th century.
The earliest concept of the POP rivet as a method for one-sided “blind” fastening was patented in 1916 by Major H.V. Wylie while working for British aircraft manufacturer Armstrong Whitworth. Later, between 1928 and 1934, the George Tucker Eyelet Company, a subsidiary of United Shoe Manufacturing Company, fully developed the blind POP brand rivet.
In the 1930s, the aviation industry began transitioning from wood to metal structures. The joining of these metal parts called for a new generation of fasteners and accompanying tools to replace conventional rivets, which required access to both sides of the part. Blind rivets provided the ideal solution because the installer only needed to access one side of the two parts being joined.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 24196BK30+AH24196H NTN | 460 | 340 | |
| 23196BK+AHX3196 NTN | 460 | 295 |