Have you ever run into a carriage bolt that is rusted and doesn’t want to come out. A first approach would be to spray WD-40 on the nut to try to lubricate it. But, if that doesn’t work, I have a simple solution! Here’s How to Remove a Rusted Carriage Bolt while keeping your sanity.
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If the bolt still won’t release or the bolt just spins while you try to unscrew the nut, you’re going to need to try something else. Especially because grabbing the head of a carriage bolt is next to impossible. And trust me, I tried using pliers and vice grips to no avail.
Be careful to stop cutting when you have a groove in the head of the bolt. You don’t want to cut all the way through the head.
Use the socket wrench on the nut and begin turning the nut while holding the bolt still with a large flat head screwdriver.
If the nut still won’t budge, spray more WD-40 on the nut and wait a few minutes. Than use a hammer to tap on the nut and bolt to try to break some of the rust.
And that’s a simple way to Remove a Rusted Carriage Bolt!