Daily and Long-Term Maintenance for Safety Padlocks

 Even if your safety padlock shows no signs of stiffness or difficulty after regular use, it still needs routine maintenance—ideally every six months. A simple method is to put a small amount of crushed pencil lead or graphite powder into the lock cylinder, then insert the key and push it in and out several times to keep it working smoothly. Avoid using cooking oil, as it tends to stick inside and may cause the padlock to jam.



Day to day, it’s also important to keep the lock body clean and prevent dust or debris from entering the pin chambers of the cylinder, which can make the padlock hard to open. If you find the key doesn’t turn smoothly, apply a little kerosene, gasoline, or rust-preventive lubricant into the cylinder, then insert and turn the key several times until the action becomes smooth again.

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