
It has special uses, not everyone knows
Why does every lock have a small hole at the bottom? It has special uses, not everyone knows
A typical padlock consists of a lock body, a shackle, and a key. When locking, the user presses the shackle into the correct position. To unlock, just insert the key into the keyhole and turn it in the correct direction to release the shackle. Some types of combination locks use a password instead of a key.
If you pay attention, you will notice a small hole at the bottom of these padlocks. This part of the lock has a special function that not everyone knows.
- Water Drainage
The small hole at the bottom of the lock serves as a water drainage. When moisture accumulates inside the lock or water falls into the lock, it will exit through this hole. Without this drainage feature, moisture would remain inside the lock, causing it to rust quickly. The drainage hole is an important component that helps extend the lock’s lifespan.
Since it helps with water drainage, the small hole also provides rust resistance. Padlocks are typically made from durable materials like galvanized carbon steel. These locks are designed to withstand frequent use, but they can still rust over time, especially those exposed to outdoor elements. Humidity and rainwater can interact with the iron-based materials used in the lock and cause rusting and corrosion.
The small hole at the bottom helps the moisture escape, minimizing the risk of rusting and corrosion.
- Lubrication
The small hole at the bottom of the lock is also important for lubrication. The lock contains moving mechanical parts inside, which can get stuck over time, making it more difficult to open the lock. In this case, you will need to use a lubricant to keep the lock working smoothly. Typically, lubricant is pumped into the lock body through the small hole at the bottom.
Depending on the specific type of lock, the small hole at the bottom may also serve as a way to open the lock in special circumstances. However, this is not something just anyone can do. Only experienced locksmiths, using specialized tools, can perform this task.
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