Definition

Noun: A nut and bolt is a type of fastener consisting of two separate but complementary metal pieces: a bolt (a threaded pin or rod) and a nut (a small block with a threaded hole). The fastener is assembled by screwing the nut onto the threaded end of the bolt to clamp parts together.

Usage

This term refers specifically to the paired set of these two components. It is used to describe this common mechanical fastener in general terms, often in contexts involving construction, manufacturing, repair, and engineering.

Examples

• The entire structure is held together with simple nuts and bolts.
• You'll need a wrench to tighten the nut and bolt at this joint.
• The most fundamental fasteners in the kit are nuts and bolts.

Advanced Usage

• "the nuts and bolts (of something)": This is a common idiomatic expression meaning the basic, practical details and mechanics of how something works or is done.
  • He understands the theory, but now he needs to learn the nuts and bolts of engine repair.

Variants and Related Words

• Bolt (n): The threaded pin or rod.
• Nut (n): The small, usually hexagonal block with an internal screw thread.
• Fastener (n): A general term for any device used to hold objects together (e.g., screw, nail, rivet, nut and bolt).

Synonyms

• Fastener
• Screw and nut (though this is less common)

Related Idioms

• "the nuts and bolts": As described in 'Advanced Usage', this idiom refers to the essential, practical fundamentals.
  • Let's move past the big ideas and discuss the nuts and bolts of the project plan.

Noun

1. a fastener made by screwing a nut onto a threaded bolt