1. It Drains Water
Padlocks are often used outdoors—on gates, sheds, garages, or storage units. When it rains, water can easily get inside the lock mechanism. That tiny hole allows water to drain out instead of staying trapped inside.
Without it, moisture would build up, causing rust and eventually damaging the lock.
2. It Prevents Rust and Freezing
In cold climates, trapped water can freeze inside the lock, making it impossible to open. That little hole helps prevent this by allowing water to escape before temperatures drop.
It’s a simple feature that can save you a lot of frustration on a cold morning.
3. It’s for Lubrication
3. It’s for Lubrication
Here’s something most people don’t know: that hole also allows you to maintain your lock.
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