arruela de travamento
1. A type of washer placed under a bolt or nut to prevent it from loosening due to vibration or rotation
The mechanic used a lockwasher to ensure the bolt would not come loose.
O mecânico usou uma arruela de travamento para garantir que o parafuso não se soltasse.
2. A hardware component with a split or teeth design that resists loosening through friction or spring tension
The lockwasher underneath the fastener provided additional security.
A arruela de travamento sob o fixador forneceu segurança adicional.
Lockwashers are essential hardware components in both American and Brazilian construction, automotive, and industrial sectors. The term is used identically across both countries in technical and professional contexts. In Brazil, construction workers and mechanics commonly refer to 'arruelas de travamento' when discussing fastening security, reflecting the importance of this component in infrastructure and manufacturing quality standards.
Related Idioms & Phrases
tight as a lockwasher - extremely secure or fixed firmly
lockwasher effect - preventing something from coming undone
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