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2. Berry Brothers Bolt Works - Wikipedia

   en.wikipedia.org/wiki/Berry_Brothers_Bolt_Works

   350 E. First Ave., Columbus, Ohio. / 39.981028; -82.994668. The Berry Brothers Bolt Works is a former factory in Columbus, Ohio, United States. For more than a century after its 1888 construction, the factory produced machine tools using original equipment. The structure itself is one of Columbus' most prominent factory buildings, and it was ...

3. Bolt (fastener) - Wikipedia

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

   Bolt (fastener) A bolt is an externally helical threaded fastener that fastens objects with unthreaded holes together. This is done by applying a twisting force ( torque) to a matching nut. The bolt has an external male thread requiring a matching nut with a pre-formed female thread. [ 1] Unlike a screw, which holds objects together by the ...

4. Wingnut (hardware) - Wikipedia

   en.wikipedia.org/wiki/Wingnut_(hardware)

   Wingnut (hardware) Three wingnuts. A wingnut, wing nut or butterfly nut is a type of nut with two large metal "wings", one on each side, so it can be easily tightened and loosened by hand without tools. A similar fastener with a male thread is known as a wing screw[ 1][ 2] or a wing bolt. [ 3]

5. Core Molding Technologies - Wikipedia

   en.wikipedia.org/wiki/Core_Molding_Technologies

   Core Molding Technologies, Inc. was founded in 1988 (its original name was Core Materials Corporation) and now based in Columbus, Ohio. The company manufactures sheet molding compounds (SMC), and molds fiberglass reinforced plastics. It occupies over 1,000,000 square feet of manufacturing space and its main subsidiaries are in Matamoros, Mexico ...

6. Bolted joint - Wikipedia

   en.wikipedia.org/wiki/Bolted_joint

   The preload developed in a bolt is due to the applied torque and is a function of the bolt diameter, the geometry of the threads, and the coefficients of friction that exist in the threads and under the torqued bolt head or nut. The stiffness of the components clamped by the bolt has no relation to the preload that is developed by the torque.

7. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   A special type of bolt that is set into concrete, with screw threads protruding above the concrete surface to accept a nut. breakaway bolt: A breakaway bolt is a bolt with a hollow threaded shank, which is designed to break away upon impact. Typically used to fasten fire hydrants, so they will break away when hit by a car. Also used in aircraft ...