When Not to Use WD-40 – Lubrication Tips

lubrication

Looks like WD-40 can be used for lubricating just about any metal parts.

Are there non-obvious cases where using WD-40 will be harmful to the stuff lubricated?

Best Answer

  1. Firearms - you should never use WD-40 to clean or maintain firearms.
  2. Drive chains of any type - because WD-40 isn't a lubricant it really will not work well on Drive chains of any type.
  3. Gears of any type - WD-40 doesn't have enough lubrication effect to be useful on any type of gearing. Only specified gear lubricants should be used.
  4. Locks - Use powdered graphite or silicon spray instead.
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