What is the best lubricant for door locks?

The best lubricant for door locks is graphite powder. Graphite powder is a dry lubricant that is designed specifically for use in locks to prevent rust and corrosion, and to ensure smooth operation of the lock mechanism. It is important to use a dry lubricant like graphite powder in locks, as traditional oil-based lubricants can attract dust and dirt, which can cause the lock to become stuck or difficult to operate over time.

Graphite powder is easy to apply to door locks, simply insert the tube of powder into the keyhole and squeeze gently to release a small amount of powder. Then, insert the key into the lock and turn it several times to evenly distribute the powder throughout the lock mechanism. It is recommended to apply graphite powder to door locks every six months to ensure continued smooth operation.

In addition to graphite powder, other options for lubricating door locks include silicone spray or Teflon-based lubricants. However, graphite powder is generally considered the best lubricant for door locks due to its ability to provide long-lasting lubrication without attracting dust and dirt.