Most People Have No Idea Why There’s a Small Hole in a Padlock Key—Do You?
At first glance, the tiny hole in a padlock key looks like it’s only there to attach the key to a keychain. While that’s one use, it actually serves several important purposes that many people never realize.
1. Keeps the Key Organized
The hole allows you to attach the key to a keyring so it’s less likely to get lost.
2. Helps During Manufacturing
The opening makes it easier for manufacturers to handle, polish, and finish the key during production.
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