helical lockwasher

[/ˈhɛlɪkəl ˈlɑkˌwɑʃər/]
nounfemininepl: helical lockwashers / arruelas de travamento helicoidais
arruela de travamento helicoidal
1. A spring-type washer with a helical or spiral design used to prevent fasteners from loosening due to vibration or rotation
The mechanic installed a helical lockwasher under the bolt to ensure it wouldn't vibrate loose.
O mecânico instalou uma arruela de travamento helicoidal sob o parafuso para garantir que não se soltasse com vibração.
2. A fastening component commonly used in automotive, machinery, and construction applications to maintain bolt tension
Helical lockwashers are essential in high-vibration environments like engine assemblies.
As arruelas de travamento helicoidais são essenciais em ambientes com alta vibração, como montagens de motores.
Helical lockwashers are critical components in Brazilian and American manufacturing and automotive industries. In Brazil, they are widely used in industrial applications and automotive assembly, particularly in high-vibration environments. The term is highly technical and specialized, primarily used by engineers, mechanics, and industrial professionals. Understanding proper washer selection is considered important technical knowledge in both countries' manufacturing sectors.
Synonyms / Sinônimos
spring washerhelical spring washervibration lock washeranti-vibration washer
Antonyms / Antônimos
flat washerplain washer

Regional Variations

General Brazilian
arruela de travamento helicoidal
Standard term used in industrial and automotive contexts
São Paulo
arruela mola helicoidal
Alternative technical designation commonly used in manufacturing
Rio de Janeiro
arruela de segurança espiral
Regional variation emphasizing the spiral safety function
Portugal
arruela de segurança helicoidal
Portuguese standard terminology for the same component

Related Words

lockwasherspring washerboltfastenervibration preventionwasher

Related Idioms & Phrases

to lock in place with a helical lockwasher
anti-vibration solution
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