Is WD-40 an Effective Penetrating Oil?

Discover if WD-40 works as a penetrating oil for rusted bolts and components and how to use it effectively.

15 views

Yes, WD-40 can be used as penetrating oil. It is particularly useful for loosening rusted or stuck bolts and components. To use it effectively, spray WD-40 on the affected area and let it sit for 15-30 minutes before attempting to loosen the part. While WD-40 is versatile, dedicated penetrating oils like PB Blaster or Liquid Wrench may perform better in some cases.

FAQs & Answers

  1. What is the best use for WD-40? WD-40 is best used for loosening rusted bolts, lubricating moving parts, and protecting against moisture.
  2. How long should I let WD-40 sit? For optimal results, allow WD-40 to sit for 15-30 minutes before attempting to loosen any stuck parts.
  3. Can I use WD-40 on electronics? It is not recommended to use WD-40 on electronics, as it can cause damage. Instead, use contact cleaner.