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18 votes
Accepted

Seized nut & bolt - difficult to access

As you have reasonable access to the nut, I'd suggest using a nut splitter to split the nut and open it out, which should then allow you to withdraw the bolt and remove the parts - obviously both nut ...
Nick C's user avatar
  • 28.7k
17 votes
Accepted

How should I remove this corroded nut without rounding it?

The tool Thanks to you all for your many good suggestions, but I thought I'd share how I actually got these nuts off today. First, more PB Blaster, and then while I was at the auto parts store ...
Edward's user avatar
  • 2,857
15 votes
Accepted

Reusing self locking nuts

I'll make a couple of cogent points, but I doubt I'll be able to organize this coherently. Go get and read Carrol Smith's Nuts Bolts Fasteners and Plumbing. This is religious tome-level knowledge ...
SteveRacer's user avatar
  • 12.4k
10 votes
Accepted

Trouble installing new bolts into rusted welded nuts

A tap/die is not the same thing as a thread chaser - while it can be used that way, you have a higher risk of cutting new threads instead of renewing old threads. A proper thread chaser will clean up ...
masospaghetti's user avatar
10 votes

How should I remove this corroded nut without rounding it?

A lot of localised heat to the nut will help. A 1/2 inch spanner/wrench is slightly smaller than a 13mm, so that may still work after heating. If you can’t get a splitter on it, you could drill a line ...
HandyHowie's user avatar
  • 25.2k
8 votes

How should I remove this corroded nut without rounding it?

As you don't care about saving the nut you have a few options. In addition to the good solutions mentioned in other answers I have a few suggestions: One of the handiest tools out there is locking ...
GdD's user avatar
  • 16.9k
7 votes

How should I remove this corroded nut without rounding it?

As you've noted, you can't get a socket over the nut, which eliminates a large number of tools with sharp internals that resemble a socket. Not many options remain, but one of them is a nut splitter. ...
fred_dot_u's user avatar
  • 4,465
7 votes

Seized nut & bolt - difficult to access

Based on the pictures, I don't see any options besides cutting the bolt in half. A grinder wheel would make light work of cutting the bolt, but you may have to resort to a more primitive approach, i....
Zaid's user avatar
  • 39.1k
6 votes

How to deal with this type of nut

They look exactly the same. The threading is probably the same on both nuts. Use a hammer and flat head chisel to peen the new nut. These nuts aren't meant to be reused and as long as you're ...
Ben's user avatar
  • 10.7k
6 votes

Trouble installing new bolts into rusted welded nuts

Have you tried completely drenching them in PB Blaster or a similar penetrating oil? I've seen it work wonders in the past for me. I'd cover them in a layer of that, and let it sit for several hours. ...
Lynn Crumbling's user avatar
5 votes

Seized nut & bolt - difficult to access

Couldnt you drill the head off to be able to get some stuff out of the way, cut the bolt further down, drill a center hole with a small bit and proceed drilling away the remaining stub?... You have ...
Erik vanDoren's user avatar
5 votes

How should I remove this corroded nut without rounding it?

I needed to remove a nut on my son's exhaust where the nut/stud were so corroded and rusted there was no way to get them off. For one of them, I used a cut off wheel, which worked out pretty well, but ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
5 votes

Seized nut & bolt - difficult to access

I was in a similar situation (car, not a bike) once and I didn't know about nut splitters (see Nick C answer) at that time. I was able to get at the nut with a Dremel and a very small (1" diameter)...
Tonny's user avatar
  • 303
5 votes

How should I remove this corroded nut without rounding it?

As an experienced motor vehicle welder, I can assure you that any rusted nut and bolt, no matter how corroded, is easily removed by heating the nut with an oxy-acetyline torch until it's glowing red. ...
it's a hire car baby's user avatar
4 votes

How should I remove this corroded nut without rounding it?

After seeing your solution to your problem, and that you really just needed a 6 point hex rather than a 12 point. I think you would be far better investing in a hex ratchet spanner/wrench like this ...
HandyHowie's user avatar
  • 25.2k
4 votes

Seized nut & bolt - difficult to access

Given the good vertical access to the bolt, I'd cut it off with a sawzall using a fine hacksaw blade.
PeteCon's user avatar
  • 8,702
4 votes

Trouble installing new bolts into rusted welded nuts

Save for the trouble of going to the store this is a pretty easy fix. Take one of your bolts and go to a hardware or auto parts store and ask for a tap to match. Then run the tap through the holes. ...
dlu's user avatar
  • 14.5k
4 votes

Cotter pin question

Torque to specifications then further tighten to align nearest slot in nut to hole, never back nut off to align hole.
Moab's user avatar
  • 7,990
4 votes

What are these square shrouds over these towbar nuts?

Those are captive nuts, if they are not rusted then the shroud stops them turning. If they are rusted or seized then the nuts can rotate in the shroud and you will need to hold them with pliers or ...
Solar Mike's user avatar
  • 34.6k
3 votes

Reusing self locking nuts

There are two reasons why they may be "always replace" items: To (try to) ensure that there is good thread locker on the nuts, perhaps because thread locking compound doesn't work reliably on nyloc ...
dlu's user avatar
  • 14.5k
3 votes

Cotter pin question

Well, if its a car suspension, im sure there is a toque spec. But in general tighten so cutter pin will be in the middle. But if its something like a wheel bearing you have to make sure the wheel ...
cano's user avatar
  • 823
3 votes

need to remove a broken lug nut: thinking die grinder?

I would drill a 2mm hole each side and then split it open with a chisel - should either split or use a large screwdriver to turn it. I would also make a template to hold the drill steady so as not to ...
Solar Mike's user avatar
  • 34.6k
2 votes

Cant Remove Nut on Clutch

You need a clutch basket removal tool This tool will allow the inner and outer clutch basket to become locked together in order for you to remove the bolt that is affixed to your transmission primary ...
DucatiKiller's user avatar
  • 32.9k
2 votes

Seized nut & bolt - difficult to access

If the bolt is turning inside of the nut, that would indicate to me the threads are stripped either on the bolt or the nut (duh, right?). If you can get a third hand to help you, you'll need it for ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
2 votes
Accepted

Drive Shaft Threads Shredded Possible To Still Use It?

I don't think I'd advise anyone to do as you've done to reuse the axle shaft. That said, people are going to do what they are going to do. In that instance, cut down the threads to get past the ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
1 vote

How should I remove this corroded nut without rounding it?

Another way to get something red-hot is an induction heater, the popular brands are Bolt Buster and Mini-Ductor, and there are eBay etc. knock-offs as well. It's on my list for a few reasons: ...
Andy Mason's user avatar
1 vote

Can I use a nut with slightly different dimensions?

You will not be able to use that nut. The pitch is wrong. You'd be in essence trying to force a coarse threaded nut (1.75mm pitch) onto a fine threaded bolt (1.5mm pitch). You will destroy both in the ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
1 vote

need to remove a broken lug nut: thinking die grinder?

You can get tools just for this job - Do a search for "locking wheel nut removal tool" For example this one from Laser Tools - https://www.lasertools.co.uk/product/6972
HandyHowie's user avatar
  • 25.2k
1 vote

Protecting/preventing brake lines' nut seizing by corrosion: paint? Grease?

Grease and oil are the best method to delay rust of steel. In the old days of chrome bumpers ,etc, I would add some gasoline to grease to make it liquid and wipe it on the chrome . It would penetrate ...
blacksmith37's user avatar
  • 3,678
1 vote

Cotter pin question

As already mentioned above it is best to use a torque wrench because overtightening a fastener can cause to stretch when it gets hot and break.The only way to be sure is to use the recommended torque ...
Frank O'Donnell's user avatar

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