Trying to remove this broken off bolt. It spills freely, but can’t get it to back out, or even hammer out. Is there something inside this frame behind that plate cap, that’s holding it in?
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Drill the head of the bolt off and punch it inwards . Maybe there was a nutsert holding it on ? They look like a rivet but threaded ? Can’t be a welded nut as I don’t think you can weld steel to aluminum . Good luck
I’d just take an angle grinder and cut the head off and see what happens.
It is common for there to be a bushing or block inside tube, espicially aluminum, so that the box frame does not collapse when a bolt is tightened. My guess is that the bolt has galvanic corrosion between the dissimilar metals.
I am fighting a similar issue currently on an aluminum fish house.
Grind it off and punch it threw. I would waste no time drilling the head. That’s the literal hardest option.
That bolt probably has a sleeve in that block so the hole won’t oval like aluminum likes to do. Grind the head and get a punch and hammmer
Looking at that picture it looks like its a wishbone tounge on a tilt trailer. It happened to me many years ago on an 8×10 tilt sledbed I owned.
The bolt body itself will be corroded entirely into the aluminum sleeve so getting that out won’t be viable.
Your easiest method of repair is to shift the entire bolt pattern approx 2″ and get into new metal and redrill everything and cut down the pivot tails if required. Cut yourself a couple of new sleeves using pipe for the inner tubing and remount everything up.
Grind it off and punch it threw. I would waste no time drilling the head. That’s the literal hardest option.
That bolt probably has a sleeve in that block so the hole won’t oval like aluminum likes to do. Grind the head and get a punch and hammmer
In hindsight he is right – drilling will just spin the bolt and drive ya mad. Let the sparks fly.
looks like that’s the same setup my snowmobile trailer has. cept my issue is the hole on the main frame so to speak is wore and way bigger then it should be making it sloppy.
i thought i had a brilliant plan and redrilled new hole up further…yea then the trailer wouldnt tip all the way down!! so i moved it back.
about the only thing i can think of now is to mount new steel over the old holes..but i dont weld aluminium. bolting it on seems a bit of a chore!!
any ideas!!!!! i’m all ears.
any ideas!!!!! i’m all ears.
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Re drill original hole and add a sleeve so it doesn’t oblong. And slop in aluminum and it was continue to oval. Sleeves should be installed to stop that.
Sorry your post is hard to reply to with so many damn emojis. Almost as bad as my kids Glenn lol
Thanks everybody! Few of you guys know exactly what I’m going against 
Yes it is a wishbone frame. I wonder what the manufacture thought would be the correct repair procedure. I searched Ytube and other trailer forums thinking I would find something, but nope. A one hour job has now stretched into two weeks with a trailer in the garage instead of laying on the ground outside. I think I will cut the bolts off, and hopefully what’s inside falls out the frame by the coupler. HOPEFULLY THAT END IS OPEN! 
any ideas!!!!! i’m all ears.
Re drill original hole and add a sleeve so it doesn’t oblong. And slop in aluminum and it was continue to oval. Sleeves should be installed to stop that.
Sorry your post is hard to reply to with so many damn emojis. Almost as bad as my kids Glenn lol
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sorry, yea get carried away now and then.
Good idea if I’m understanding it correctly.
1.. drill holes bigger.
2.. gwt a sleeve to fit the bigger holes but yet the bolt fits threw!
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