this post was submitted on 09 Jul 2023
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So, since I am living in a country with lots of anow and salt, rust has always been an issue for me. I started researching how to rustproof the bolts, because there is nothing worse than a rust-welded grade 10.9 bolt that had its head snapped lol.

All steel bolt rust proofing methods I've seen are based on creating a layer between the steel and oxygen. But the way the layer is made varies wildly:

  1. Oxide based coat
  2. Carbon based coat
  3. Metal based coat
  4. Oil based coat
  5. Paint based coat

For example there is a technique that is called "Oil Burn" where you get the bolt red hot and dip it into motor oil. There are various issues with this technique, which I will explain in a later post.

With your suggestions I will make a spreadsheet with various pros and cons listed and will share with the community.

As to prove I am serious about this, here are my current experiments: Before:

After:

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[–] [email protected] 1 points 1 year ago

It's not that it becomes unusable, but greatly increases the chances of it being rounded off or making the fitment of the tool difficult, requiring quite a bit of cleaning with a brush