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40 votes

What can I do to keep a threaded bolt from falling out of its slot?

The easiest, most economical method I can think of is to use Loctite Blue 242. You apply it to the thread, torque it to spec, then within 24 hours it will keep the bolt held in place without issue. If ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
13 votes
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Drilling a new hole and putting threads in it for a bolt to screw in

Making threads is done with two tools known as a Tap and a Die. The are sold individually or in sets. To make threads in a hole, you need a tap. Those are the items in the image that look like a ...
JPhi1618's user avatar
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10 votes
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What grade of bolts should I use for motorcycle brake hardware?

No, A2 bolt is not safe. You can use the calculator here: http://www.tribology-abc.com/calculators/e3_6b.htm ...for bolts of grade 8.8 and M8 thread. It will say that the maximum tightening torque is ...
juhist's user avatar
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10 votes

Best way to remove rusted steel bolts from aluminum parts

They're not bolts, they're studs. You can use a stud extractor if needed but my usual trick is to put two nuts on, tighten one against the other then turn out the stud with the lower bolt. You can ...
Steve Matthews's user avatar
8 votes

What can I do to keep a threaded bolt from falling out of its slot?

I agree about the Loctite products but a simple lock washer or lock nut might be another possible solution as well (depending on the length of the bolt available). Some handlebars are "secured" ...
user51042's user avatar
7 votes
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Extremely over tightened pinch bolt, how to remedy?

Replace bolt and nut Likely, there's no damage to the control arm. 70 to 40 is a big jump, but not likely extremely damaging, in my opinion. However, I would definitely replace the bolt: putting ...
anonymous2's user avatar
  • 5,235
6 votes

What can I do to keep a threaded bolt from falling out of its slot?

There is something that bothers me: Handlebar bolts, as safety critical items, aren't supposed to become loose. Either you torqued them wrong (too loose or too tight) or there is something ...
Martin's user avatar
  • 8,458
6 votes
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how to remove this battery tray bolt and what is it?

The head is probably just rounded off. Hammer a 3/8" socket on or use a 10mm twist socket on it. Maybe heat it or use a penetrating fluid on it as well. Worse comes to worse the head snaps and you ...
Ben's user avatar
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5 votes
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Nut and bolt terminology. What is the name of the fixing in the image?

As @FredWilson says that's a spacer. You can find them in a variety of sizes at most "real" hardware stores (at least you can in the US). The place to look is in the fastener section in the boxes of ...
dlu's user avatar
  • 14.5k
5 votes

how to remove this battery tray bolt and what is it?

It looks like ViceGrips would have to come in vertically, so you won't have much leverage with just the pliers, but you can use an adjustable wrench or water pump (slip joint) pliers, or maybe even a ...
dlu's user avatar
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5 votes

Best way to remove rusted steel bolts from aluminum parts

In my experience most penetrating oils (PB Blaster is my personal favorite) work well when dealing with iron oxide (rust). They are not as effective with aluminum oxide. A common scenario when working ...
mikes's user avatar
  • 20k
5 votes
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How do I remove this bolt to replace my MAF sensor?

Just unscrew the nut from the other side and pull the bolt through, the shape of the bolt head is designed to fit into the plastic tabs which will keep the bolt from spinning. If the nut is frozen use ...
GdD's user avatar
  • 17.1k
4 votes

Drilling a new hole and putting threads in it for a bolt to screw in

The tap & die answer is accurate, and as for your concerns about the threads matching, maybe this will help you choose the correct thread type/count so it should be no issue. Threads for screws, ...
Attilla DeHunt's user avatar
4 votes
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Should loctite be used on suspension components?

Since there is a need to re-torque the fastener, it doesn't make sense to use Loctite. This is true for two reasons (after the Loctite has set): With the Loctite holding the fastener in place, it ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
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

How to prevent nut falling off ring wrench?

Duct tape is your friend here, you simply use a piece to cover the back of the ring so the nut can't fall through. The glue will also hold the nut in place while you maneuver it. Another trick worth ...
GdD's user avatar
  • 17.1k
4 votes

What can I do to keep a threaded bolt from falling out of its slot?

If you can replace the bolt with one equipped for use with a lock wire/safety wire (e.g. one with a hole drilled through the bolt head from the side, or possibly a castellated bolt), and you can find ...
Darrel Hoffman's user avatar
4 votes

What can I do to keep a threaded bolt from falling out of its slot?

I have to agree with some of the other posters: Something is not right with the fastening, and/or the proper clamping pressure is not being achieved, perhaps due to under-torque. That said, I would ...
SteveRacer's user avatar
  • 12.4k
4 votes

How to removed sunken sheared bolt

Per SolarMikes suggestion, I drilled out the hole equivalent to M6 and retapped the threads.
Joe's user avatar
  • 227
4 votes
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Different type of E-torx Sockets

It looks like your socket is Torx, but your spanner (and the bolt) are the newer Torx Plus design. Torx Plus was introduced in abut 1990, when the original Torx patents were going to expire. It has an ...
alephzero's user avatar
  • 2,954
4 votes
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What is the part number (or equivalent bolt) for a VW New Beetle rear engine mount bolt, and can I use threadlocker on it?

This looks like what you want from a google search - I got the information from here. Another google search for the part number returned this - I would recommend getting the correct bolt though, ...
HandyHowie's user avatar
  • 25.4k
3 votes

What can I do to keep a threaded bolt from falling out of its slot?

The thread locking compound and/or lock-washer are excellent suggestions assuming you're not loosing clamping force due to bolt stretch, bolt length (too short or bottoming), threads pulling or ...
BigD's user avatar
  • 31
3 votes

How to prevent nut falling off ring wrench?

I have also used grease to achieve that - and once the plug is in the correct place, I have held it there with a bar and turned it with the open-ended spanner.
Solar Mike's user avatar
  • 34.6k
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
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2201 Ford Ranger - Remove bolts when painting in new bedliner?

The hardware is different depending on where it's at. The four bed bolts will most likely have washers/nuts on the other side, while the eight in the tailgate will have captured nuts of some kind ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
3 votes

Best way to remove rusted steel bolts from aluminum parts

Soak in WD40 or similar release fluid for a few days. Heat up the stud with oxy acetylene, cherry red. When the colour's gone, apply more WD. Use a stud extractor if possible. After turning half a ...
Tim's user avatar
  • 428
3 votes

Drilling through metal for broken bolt on rear suspension mount using a cobalt bit not working

If the bolt is just needed to keep the brake cable from dangling around and has absolutely no critical function then I'd try to clamp the bracket (perhaps by some U-bolt) to the control arm and forget ...
Martin's user avatar
  • 8,458
3 votes

Drilling through metal for broken bolt on rear suspension mount using a cobalt bit not working

Given the mess so far, I think you will have to remove the arm and set it up in a vice so the it can be drilled with a sharp bit at low speed and at a slow advance rate. If that fails then you may ...
Solar Mike's user avatar
  • 34.6k
3 votes

Renault clio snapped bolt removal?

The easiest, most sure way to get this out would be by welding a nut onto the end of the bolt. This will do two things for you. First, it will give you something to turn with as when the nut is welded ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
3 votes

How do I remove this bolt to replace my MAF sensor?

Try some penetrant fluid (PB blaster or something else), let it soak for a while. Then hold the round head with some pliers and try to remove the nut. Depending on your luck (and skill) it might be ...
Martin's user avatar
  • 8,458

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