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2. Long-bolt engine - Wikipedia

   en.wikipedia.org/wiki/Long-bolt_engine

   A long-bolt or through-bolt engine is an internal combustion piston engine where, following usual practice, the cylinder head is held down by bolts or studs.Conventionally the cylinder head is bolted to the cylinder block and the crankshaft main bearings are in turn bolted to the crankcase by separate bolts.

3. Threaded rod - Wikipedia

   en.wikipedia.org/wiki/Threaded_rod

   For studs that are not completely threaded, there are two types of studs: full-bodied studs, and undercut studs. Full-bodied studs have a shank equal to the major diameter of the thread. Undercut studs have a shank equal to the pitch diameter of the screw thread. Undercut studs are designed to better distribute axial stresses. In a full-bodied ...

4. Torque-to-yield fastener - Wikipedia

   en.wikipedia.org/wiki/Torque-to-yield_fastener

   The torque applied to the fastener must be determined such that it does not contribute to a service condition where the fastener enters a low-cycle fatigue regime. In general, the use of torque-to-yield fasteners is deprecated except in cases where the materials and structures comprising the entire assembly are certified to be within tolerances ...

5. Screw thread - Wikipedia

   en.wikipedia.org/wiki/Screw_thread

   Camshaft cover stud threaded 1 ⁄ 4-20 UNC (left, for aluminium cylinder head) and 1 ⁄ 4-28 UNF (right, for steel nut; from a 1960s Jaguar XK engine) The common V-thread standards (ISO 261 and Unified Thread Standard) include a coarse pitch and a fine pitch for each major diameter.

6. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   Inch-sized wood screws in the U.S. are defined by ANSI-B18.6.1-1981(R2003), while in Germany they are defined by DIN 95 (Slotted raised countersunk (oval) head wood screws), DIN 96 (Slotted round head wood screws), and DIN 97 (Slotted countersunk (flat) head wood screws). Security head screw: These screws are used for security purposes and ...

7. 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.