I guess it could be welded back
JB Weld?
I used soma that stuff for the first time the other day. Specifically the steelstik. It dries black. I was in shambles. Strong AF though.

Obtain:
- A micro drill bit. Cheap off AliExpress. A bit more elsewhere.
- A trip to ACE hardware (or hobby craft shop). Get:
- A thin metal dowel, as thick as the medium thick micro-drill bit. You don't need more than 1-2". Or you can get a couple of thin, stainless steel nails and hack off the ends to size. For this, you'll need good shears or a little saw. Extra credit for using a Dremel.
- A good, metal-friendly glue or a dual-mix epoxy. I'd ask for advice.
Setup:
- Drill a tiny hole at the center of each side of the loop. Maybe 1/8" or 2-3mm. Standard drill. Protip: the micro-drill bits also fit a Dremel.
- Drill a slightly deeper hole on the body side (assuming it's solid).
- Dry run: test cut a length of metal dowel, enough to join loop and body. Cut to length until both loop and body meet and are flush. The hole shouldn't be too tight. Enough space for glue that comes later.
- The dowel adds structure and distributes stress pressure. Reason they use rebars in cement structures.
Assembly:
- Drizzle a drop of glue into each hole and a little on the dowel. A little more onto surfaces where the broken parts connect.
- Assemble body, dowels stuck into drilled holes on both sides, and loop.
- Wipe excess glue.
- Wrap some tape vertically to hold it tight. Doesn't matter what kind. It's just there to hold things into place.
- Leave overnight to set.
- Grab a beverage and stress-scream into a couch cushion. You are master of the physical universe.
Post-coitus:
- Unwrap tape, admire handiwork, then put back on keychain.
- Tell EVERYONE.
- Post back here with pictures. You've earned it.
Since this is on a keychain, it will be constantly getting pulled. Just gluing it in, or even welding may apply sudden strains and have it snap off at the compromised joints.
This way, it will outlive you and your grandchildren.
Man, that's so much work. I'd just be sad instead.
Sometimes repairing a thing is its own joy
Joke aside, I do appreciate the craft and effort in the response.
But ... Think of the coitus?!

Hey looks like it is copper substrate, it could be soldered together!
I'm team solder
Are you a solder of fortune?
Bummer, perhaps it can be repaired? By the way, be very careful about sharing photos of keys, it is often quite easy to produce a duplicate key from a photo.
I did think of that. The key visible in the photo is a dummy key that goes to a lock that I've misplaced.
Checkmate, key stealers!
The lock stealers beat them to the punch!
This rather relies on an attacker also knowing where any of your locks are located, and any of them being heavy duty enough that it wouldn't simply be more expedient to show up with a crowbar. I'd be much more concerned if I were showing off keys to the premises of a well known commercial enterprise and also let people know it.
Act like a proper car guy and slap some JB Weld on the bastard
If it's good enough for the engine block it's good enough for the keyring.
A clamp and some E600 epoxy will make that good as new. Don't give up hope yet, OP.
My thought too. No point welding something so simple. Epoxy and it’ll be solid another 16 years.
I totally get it.
I would find a jeweler or metal worker and get it fixed. It might be expensive but apparently it would be worth it to you.
Edit:
Story time- I had a multitool my dad purchased for me before he died. I lost it one day and I was totally bummed. I mean I cried for like a whole day. Over a tool. Anyway I saw one on eBay once by random chance and bought it. When it arrived, it felt like the old one and I realized the object itself wasn’t special, it was what I memories and feelings it reminded me of when I held it. The new one did the same thing, at least close enough. So if repairing is not an option, replacing it might fill the hole.
I found one for you.
You can reattach that with resin. It looks like thats what its made out of and its coated in somethibg metallic.
Drill, tap, machine screws with loc-tite?
I totally get it. If I like something and use it or have it around a long time I bond with it. Does not matter if it was expensive or cheap but if it was cheap/free I tend to love it more however if it was expensive I tend to be madder at the loss.
I'd braze it but I'm a fucking barbarian.
epoxy time!
Absolutely don't just expoxy it, follow fubarx's tutorial below. Expoxy won't bind sheared metal to metal strong enough to stand up to pocket/keychain abuse. You don't have to go as fancy, but you need non brittle metal to re-connect those shear lines or it'll fall apart the first time you look at it funny.
That's a long time to own a thing. A lot of love goes into it.
I mean...can you kintsugi it?
I think this is the most feels I've seen in this club.
Forza Motorsport 3 specifically hits a sweet spot for me so I totally feel your pain.
I still have the lock box they included in the collector ‘s edition of GTA 4, they don’t make promo swag like they used to.
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