Definition

1. Adjective:
   • (Of a fastener) Having a helical ridge (a thread): Describes a bolt, screw, nut, or pipe that has a continuous spiral ridge (the thread) cut into or onto its surface, allowing it to be screwed into a corresponding threaded hole or onto another threaded object to create a secure, tight connection.

Usage

• The primary use of "threaded" is to describe the physical characteristic of a fastener or fitting that enables screwing action. It is a technical term common in engineering, manufacturing, construction, and plumbing.
• It is typically used attributively (before a noun) or predicatively (after a linking verb like "is" or "are").

Examples

• Attributive use (before a noun):
  • You will need a threaded rod to connect these two plates.
  • The threaded end of the pipe screws into the valve.
  • Ensure you use the correct threaded adapter for the connection.
• Predicative use (after a linking verb):
  • This bolt is threaded along its entire length.
  • Are the new screws threaded? Yes, they are finely threaded.

Advanced Usage

• "Threaded" vs. "Tapped": In machining, a hole is tapped (has threads cut into it), while a bolt or rod is threaded (has threads cut onto it). Both result in threaded components.
  • The aluminum block was tapped to accept the threaded stud.
• Specification of Thread Type: "Threaded" is often modified to specify the thread standard or characteristic.
  • It's a metric threaded fastener.
  • Use a coarse-threaded screw for softwood.

Variants and Related Words

• Thread (noun): The helical ridge itself.
  • The thread on this screw is damaged.
• Thread (verb): The action of cutting a thread onto a rod or into a hole.
  • He will thread the end of the pipe.
• Threadless (adjective): Lacking threads.
  • A threadless stem is used on some bicycles.

Synonyms

• Spiraled (less specific, not a technical synonym)
• Helically grooved

Antonyms

• Smooth (in this context, lacking threads)
• Unthreaded
• Threadless

Related Phrases / Compound Terms

• Threaded connection: A joint made by screwing two threaded parts together.
  • A threaded connection provides a strong seal.
• Threaded insert: A permanently installed threaded component added to a material to provide durable threads.
  • They installed a threaded insert in the plastic housing.

Adjective

1. (of bolts or screws) having screw threads