N o matter how careful you are when you reinstall old rusty nuts and bolts, someday you’re going to strip some threads. Of course, it will happen on a critical bolt, on a Sunday ...

Before you break out a nut splitter though, you should obviously try less destructive methods, among them lubricants and penetrating oils like WD-40 and Kroil, or heating the bolt gently to try ...

Overtime, bolts can get caked in dust and debris, so it if you want to reuse them, it might be worth trying this cleaning ...

However, if the nut and bolt are very old and oxidation has taken its toll, WD-40 may not be able to get deep enough to loosen them. In this case, it's time for a different workshop fluid to step ...

Rusted nuts and bolts can definitely slow you ... a rusted bolt can slow you down. Sure, you can try a wrench or douse it with WD-40 penetrating oil, ... The bolt should loosen up and come out ...

So that 30-minute job turned into three hours, huh? Funny how one single seized bolt will do that. All it takes is some inconvenient rust or too much Loctite, and all of a sudden you're concocting ...

It would seem, then, that if you torqued a nut or bolt to exactly 100 lb-ft, ... And as AvE demonstrates, oil on the threads has the opposite effect, reducing the breakaway torque even further.

To start, s elect a nut with an inner diameter roughly the size of the stuck threaded bolt. Place the nut on the bolt and weld the inside of the nut to the broken top of the bolt.