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2. Rivet nut - Wikipedia

   en.wikipedia.org/wiki/Rivet_nut

   In the field of aviation, rivet nuts are often used to attach various items, such as static dischargers and inspection access covers, to the surface of an aircraft. [citation needed] Rivet nuts are an ideal replacement for weld nuts because they will not distort base materials, eliminate weld splatter, toxic fumes, and other by-products of the welding process, and can be installed in many ...

3. Rivet - Wikipedia

   en.wikipedia.org/wiki/Rivet

   Drawing of round head rivets, 1898 A typical technical drawing of a universal head solid rivet Riveters work on the Liberty ship SS John W. Brown (December 2014).. Rivet holes have been found in Egyptian spearheads dating back to the Naqada culture of between 4400 and 3000 B.C. Archeologists have also uncovered many Bronze Age swords and daggers with rivet holes where the handles would have been.

4. T-nut - Wikipedia

   en.wikipedia.org/wiki/T-nut

   T-nuts. The left one has been inserted in the wood and a bolt has been screwed in from the other side. A T-nut, T nut, or tee nut (also known as a blind nut, [1] which can however also refer to a rivet nut or an insert nut, and likewise drive-in nut [2]) is a type of nut used to fasten a wood, particle or composite materials workpiece, leaving a flush surface.

5. 19-inch rack - Wikipedia

   en.wikipedia.org/wiki/19-inch_rack

   Road case racks come in different heights based on the 1U standard and different depths. Non-isolated cases simply mount 19-inch mounting posts inside the case. To protect equipment from shock and vibration road rack cases use an inner and outer case. These cases can be isolated by thick layers of foam or may use spring-loaded shock mounting.

6. Cleco (fastener) - Wikipedia

   en.wikipedia.org/wiki/Cleco_(fastener)

   Cleco (Cleko) fasteners on an aircraft wing. A cleco, also spelled generically cleko, is a temporary fastener developed by the Cleveland Pneumatic Tool Company. [1] Widely used in the manufacture and repair of aluminum-skinned aircraft, it is used to temporarily fasten sheets of material together, or to hold parts such as stiffeners, frames etc together, before they are permanently joined.

7. List of DIN standards - Wikipedia

   en.wikipedia.org/wiki/List_of_DIN_standards

   Style 1 hexagon nuts with metric fine pitch thread; property classes 6 and 8: Withdrawn: DIN EN ISO 8673: ISO 8673: DIN 971-2: Style 2 hexagon nuts with metric fine pitch thread; property classes 10 and 12: Withdrawn: DIN EN ISO 8674: ISO 8674: DIN 972: M5 to M39 hexagon nuts; style 1; product grade C (modified version of ISO 4034) Withdrawn ...