Okuzeka
Mechanical Engineering vocabulary · Machine Elements

Fastener

Meaning in mechanical engineering, with examples

/ˈfæsənər/nounCore term

In mechanical engineering, fastener means: Any small part used to join two or more parts together, such as a bolt, screw, nut, washer, rivet or pin.

In Turkish: bağlantı elemanı, birleştirme elemanı

How it is used

Used on drawings, in bills of materials, purchasing and assembly instructions. Engineers specify the fastener size, grade and coating; quality teams report loose or missing fasteners. It is mostly used in the plural.

Example sentences

  1. All fasteners must be stainless steel because the unit is installed outdoors.

  2. During the audit we found two loose fasteners on the machine guard.

Common collocations

  • threaded fastener
  • loose fastener
  • fastener grade
  • stainless steel fasteners
  • boltA threaded metal fastener with a head, used with a nut or a threaded hole to clamp parts together. It is described by its diameter, length, thread and strength class.
  • tightenTo turn a bolt, nut or screw so that it holds parts together more firmly, often up to a specified torque. The opposite is loosen.
  • torqueA turning force that makes something rotate around an axis, such as a shaft or a bolt. It equals force times distance and is measured in newton meters (N·m).
  • assemblyA group of parts joined together to form a unit, or the process of putting parts together. A smaller unit inside it is called a subassembly.
  • bill of materialsA structured list of all the parts, materials and quantities needed to make a product or assembly, usually with part numbers and descriptions.

More terms: Machine Elements

Practise with graded reading

Reading at the right level is the fastest way to make new words stick. Pick free English books by level: