check-nut
Definition
Noun: - A thin nut used to lock a thicker nut in place: A "check-nut" is a secondary nut, typically thinner than the primary nut, that is tightened against it to prevent loosening due to vibration or movement. It is a type of locking device used in mechanical assemblies.
Usage Examples
- (A thin nut used to lock another nut in place.)
- (A secondary nut for locking.)
Advanced Usage
- "Check-nut" is often used in engineering contexts, particularly in machinery, automotive, and construction, where threaded fasteners must remain tight under dynamic loads. It may also be referred to as a "jam nut" in some dialects.
- The assembly required a check-nut to prevent the primary nut from backing off during operation. (A locking nut for mechanical security.)
Variants and Related Words
- Jam nut (n): a synonym for check-nut, especially in North American usage.
- The technician used a jam nut to lock the adjustment screw. (A thin locking nut.)
- Lock nut (n): a broader category of nuts designed to resist loosening, including check-nuts and nylon-insert nuts.
- A lock nut is essential for high-vibration applications. (A nut that prevents self-loosening.)
Synonyms
- Jam nut: a thin nut used to lock another nut.
- Locking nut: a nut that prevents loosening, often through friction or mechanical means.
Related Idioms
- There are no common idioms associated with "check-nut," as it is a technical term.