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2. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   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 to reduce weight. cap screw: The term cap screw refers to many different things at different times and places. Currently, it most narrowly ...

3. Headset (bicycle part) - Wikipedia

   en.wikipedia.org/wiki/Headset_(bicycle_part)

   Threaded forks necessitate that the threads on the steerer only use the top 25–51 mm (1–2 in), therefore the forks are sold in varying lengths. If there is a need to use a fork that is too long, meaning the fork steerer is not threaded down far enough, a bicycle mechanic can use a die to extend the threads. This is not recommended if the ...

4. Bolt (fastener) - Wikipedia

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

   In British terminology, a cap screw is a bolt that has threads all the way to the head. Bolts are often used to make a bolted joint . This is a combination of the nut applying an axial clamping force and also the shank of the bolt acting as a dowel , pinning the joint against sideways shear forces .

5. Nut (hardware) - Wikipedia

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

   Threadless fork star nut Part of a threadless-style headset used to attach a bicycle fork to a bicycle frame. Semi-permanently anchors itself inside the fork steerer tube. Can be mounted using a star nut setter. T-nut: tee nut, blind nut (ambiguously) Used to fasten a wood, particle or composite materials workpiece, leaving a flush surface. T ...

6. Screw thread - Wikipedia

   en.wikipedia.org/wiki/Screw_thread

   A screw thread is a ridge wrapped around a cylinder or cone in the form of a helix, with the former being called a straight thread and the latter called a tapered thread. A screw thread is the essential feature of the screw as a simple machine and also as a threaded fastener .

7. Tap and die - Wikipedia

   en.wikipedia.org/wiki/Tap_and_die

   This feature gives the taper tap a very gradual cutting action that is less aggressive than that of the plug tap. The number of tapered threads typically ranges from 8 to 10. [2] A taper tap is most often used when the material is difficult to work (e.g., alloy steel) or the tap is of a very small diameter and thus prone to breakage. Power taps