How do I get a broken screw out?

[Yasso]

I got the PUIG Racing Screen for my birthday. Went to put it on today and over tightened one of the bolts and it snapped. How do i get the broken piece out so that I can replace it?

 

[Jedi]

Try removing the part that was secured via the snapped screw and see if there's enough of the screw thread to grip with a pair of pliers?

Or use a cutting disk in a dremel type tool to cut a slot in what's left of the screw, and undo it using a thin flat blade screwdriver.

 

[Fz6Sa]

Could you post a picture?

It would make it easier to give advice ....

Of the top of my head, I'm thinking a pair of flyers (wrap with cloth to awoid scratching) if you can get a grab on it, drill it out with a thin drill ....

But a picture would make the difference!

:needpics:

 

[Deleted member 2349]

I agree some more info would help...I did the same thing when putting my Puig on. It was one near the mirror, so I just took the inside panel off and pulled out he rubber grommet, unscrewd the broen piece from the bottom of the grommet and pushed it back into the hole. Worst part was waiting till the next day to get to the dealer for a spare screw. Hope this helps.

 

[Gilo-FZ6]

this is what you need ..their pretty cheap and a must have for any toolbox

 

[DaveMc]

Let me preface this by saying I don't own a bike yet. :spank: But I've removed more than my share of bolts that have been in place for 50+ years on old machinery and while I'm not a fan of the EZ-outs (in the pic above), they will get it done if it's all you have.

Now if one snaps, left-hand drill bits are the only thing I use. If you're lucky there is some of the broken bolt sticking up (if not I shoot from the hip) grind it lightly until the top is flat. With a center punch, put a divot in the center of the bolt and then starting smallest to largest, use the left-hand bits to drill the bolt out. The broken bolt is eventually weak enough to come out in pieces.

This is total overkill for what I imagine a freshly-installed windscreen screw is, but maybe it'll add to the thoroughness of the thread and help someone with larger problems...


Good luck

 

[The Toecutter]

this is what you need ..their pretty cheap and a must have for any toolbox

and a set of reversed drill bits.

 

[paulinus]

I had a bolt sheer when having to remove a busted clutch cover on my Bandit 400 after my wreck. Pliers wouldn't do the job and we didn't have any of the bits pictured. My uncle has a large selection of old sockets. Having found one that was just smaller than the exposed bolt end he tamped in onto it and gradually broke it free by alternately tightening and loosening it as was allowed. I don't think this method is better than those mentioned above. I just wanted to add useful info. Good luck!

 

[Mississippi]

A friend of mine just bought these to get a broken bolt out of his valve cover on his truck. He said it worked great.

Craftsman 4 pc. Drill-Out Power Extractor - Model 450SR at Sears.com

 

[Smittyboy]

Those look like That grabit thing I've seen online... What do those cost at sears, cuz the grabits are $20...

 

[Mississippi]

Those look like That grabit thing I've seen online... What do those cost at sears, cuz the grabits are $20...

At Sears, 29.99 for the set plus shipping.

 

[Gilo-FZ6]

if you have a very steady hand you could use a small screw driver with a blob of epoxy or other hard setting compound on the end..once dried the sheared screw will simply become an extension of the screwdriver

 

[SANGER_A2]

The screen bolts on mine are just plastic. Are yours too? That will make it easier to use something like a screw extractor. Using a dremel to cut a slot only works if you have the whole screw head really. Locking pliers are a VERY useful thing to have in any toolbox and will do the job if you can get them round it. I assume that seeing as the whole end of the bolt came off it's hidden away though and you can't use pliers or locking pliers. See if you can get to the rear of it first and use pliers or locking pliers before a screw extractor. As a desparate last resort, if the surrounding area of the plastic screw is metal (I can't remember off-hand) you could just melt the bugger out with a cheap thin soldering iron end. Just be careful that the area around it doesn't get too hot! :Flash:

 

[Yasso]

Lots of great ideas here. Hopefully I'll be able to work on it tomorrow. It is all plastic so hopefully it won't be too bad to get out.

 

[necrotimus]

if the screw is plastic you may be able to punch it through