Lubricating locks properly is essential to keep them working smoothly and avoid costly repairs or replacements
Each lock type has unique lubrication needs
Always assess your lock mechanism first to choose the right approach
The majority of residential locks use a pin tumbler mechanism
Graphite powder is the ideal choice for pin tumbler locks
Graphite stays non-sticky and avoids trapping dirt inside the mechanism
Avoid using household oils like WD-40, motor oil, or cooking oil—they may seem convenient but they will gum up the internal components over time
Always remove accumulated gunk from the keyway before applying new lubricant
Then, lightly dust the key with graphite powder by shaking it over the keyhole or using a small applicator
Work the key through multiple full rotations to spread the lubricant
Proper distribution prevents friction and binding in the lock
Graphite is also effective for outdoor padlocks
Gently open the casing to access corroded or jammed components
Target all moving parts—including the shackle latch and internal tumblers
Ensure the lubricant penetrates beneath any protective seals
High-end mortise and premium security locks demand precision lubrication
Excessive lubrication can compromise integrity and function
Use only a small amount of a high quality synthetic lock lubricant designed specifically for these systems
When in doubt, seek guidance from the lock’s manual or a certified expert
Excess lube can clog springs, bind tumblers, or contaminate the keyway
Do not apply grease, oil, or graphite to electronic locks under any circumstances
These locks rely on delicate sensors and motors
Applying lubricant can damage electronics and void the warranty
Instead, follow the manufacturer’s maintenance guide, which may include cleaning contacts or کلیدسازی شبانهروزی سیار کرج replacing batteries
A tiny amount of lubricant is all you ever need
More is never better—precision matters
Maintain locks seasonally or after extreme weather
Lubrication won’t fix broken pins, worn springs, or bent components
Never force a stubborn key—it can snap or damage the lock
Consistent maintenance keeps your home or business protected
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