Removing a snapped and sunken bolt
 

Good video..

https://www.youtube.com/watch?v=dJfkCj3FWBs&ab_channel=UltimateHandyman

I am hereby proclaiming that I will never find myself in need of such skill, so will dutifully avoid watching the video.

So, what are the odds I’ve just jinxed myself?

Thanks for posting! I never thought of center drilling a bolt to use as a guide. Great info, David

Perfect timing.

I snapped a head bolt on one of my outboards last night.. :mad:

That is neat, but I don't have a lathe to make a drilled out bolt to center the drill bit. I wonder if anyone sells a set of bolts that are drilled out for drilling a broken bolt. Of course I would need a set for SAE and Metric.

Or better yet, avoid breaking any bolts!

That is a great idea!
Thanks for posting the video.

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I wondered the same. Hint: Could make a nice little side biz for somebody here with a good lathe. Sell a set of the more common metric and SAE sizes.

You dont need a lathe for that. A good drill press and a bit of centering will get you there just as well

What is he have so many broken bolts to begin with? lol

McMaster has a few vented bolts that would get you started.

Screws

https://www.mcmaster.com/Screws/vented-hex-head-screws

Just hit the broken bolt with a punch to start your bit. Takes seconds and works.
One size fits all.

Best
Les

iff'n you want to get fancy, there is EDM https://forums.pelicanparts.com/search.php?searchid=23998599

Whacking the face of a bolt with a hammer, a little heat around it, turn in a hair and then out, impact, always helps.

To bad none of these tools will remove my broken spark plug threaded section.

This on a Ford F-150? if so..

https://www.amazon.com/Lisle-65700-Broken-Remover-Engine/dp/B00SQ4FSN6/ref=asc_df_B00SQ4FSN6?tag=bingshoppinga-20&linkCode=df0&hvadid=80333123589171&hvnetw=o&hvq mt=e&hvbmt=be&hvdev=c&hvlocint=&hvlocphy=&hvtargid =pla-4583932709120767&psc=1

Spring loaded center punch and left handed drill bits work fine from my experience anyway. Good video though, it's always nice to have options.

Sent from my SM-N950U using Tapatalk

I have a couple sets of these, slicker than you know what
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Pwd:
Wish it were that easy. Plug snapped at the threaded portion in my 2010 Cayman. These won’t work.

Damn...so gotta pull the head? Ouch! $$$$.

That's cool!