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2. Screw - Wikipedia

   en.wikipedia.org/wiki/Screw

   An assortment of screws, and a US quarter for size comparison A wood screw: a) head; b) non-threaded shank; c) threaded shank; d) tip The six classical simple machines. A screw is an externally helical threaded fastener capable of being tightened or released by a twisting force to the head. The most common uses of screws are to hold objects ...

3. Truss - Wikipedia

   en.wikipedia.org/wiki/Truss

   A truss is an assembly of members such as beams, connected by nodes, that creates a rigid structure. [1] In engineering, a truss is a structure that "consists of two-force members only, where the members are organized so that the assemblage as a whole behaves as a single object". [2]

4. Sex bolt - Wikipedia

   en.wikipedia.org/wiki/Sex_bolt

   length and thread class fit for both barrel and screw. The more thread depth, the more difficult these parts are to manufacture, and the more expensive. Head style the most common head style for a mating fastener is a "truss" head. Other head styles are button, flat, grommet, hex head, large truss, low profile, oval, rivet and T-head. Drive systems

5. List of screw drives - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_drives

   Slot screw drives have a single horizontal indentation (the slot) in the fastener head and is driven by a "common blade" or flat-bladed screwdriver.This form was the first type of screw drive to be developed, and, for centuries, it was the simplest and cheapest to make because it can just be sawed or filed.

6. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   The term fine adjustment screw typically refers to screws with threads from 40–100 TPI (Threads Per Inch) (0.5 mm to 0.2 mm pitch) and ultra fine adjustment screw has been used to refer to 100–254 TPI (0.2 mm to 0.1 mm pitch). These screws are most frequently used in applications where the screw is used to control fine motion of an object.

7. Category:Screws - Wikipedia

   en.wikipedia.org/wiki/Category:Screws

   This category is for articles related to screws, nuts and bolts and the tools used to drive them. Subcategories. This category has only the following subcategory. O.