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A padlock is one of those everyday objects we rarely think about. It secures sheds, bikes, gates, and toolboxes with a simple click. But if you look closely at the bottom of most padlocks, you’ll notice a small hole. It may seem insignificant, yet it plays a vital role in keeping the lock working properly.
Padlocks are often exposed to rain, humidity, snow, and temperature changes. When moisture seeps inside the metal housing, it can cause rust and corrosion, eventually damaging the internal mechanisms. The small hole acts as a drainage point, allowing trapped water to escape and reducing long-term wear.
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