Stripped derby cover screw
Road Warrior
Joined: May 2009
Posts: 1,945
Likes: 4
From: Victoria, Australia
Before I would drill the head I would try an impact driver. Even though the head is stripped sometimes a good whack with the impact driver will dig in enough to break it loose.
If that doesn't get it then drill the head out CAREFULLY then simply back the headless shank out with vice grips.
The impact driver worked for me....and replaced with allen heads and never sieze..
If that doesn't get it then drill the head out CAREFULLY then simply back the headless shank out with vice grips.
The impact driver worked for me....and replaced with allen heads and never sieze..
Road Warrior
Joined: Dec 2006
Posts: 1,716
Likes: 8
From: General Sherman's Christmas Location 1864
if it isn't stripped to bad, put some valve grinding compound or similer on the bit..
or some sandpaper "droppings"
it gives some extra grip, if no joy follow everyone elses suggestions above..
next for me would be making into a straight slot
or some sandpaper "droppings"
it gives some extra grip, if no joy follow everyone elses suggestions above..
next for me would be making into a straight slot
Last edited by katobird; Jul 5, 2011 at 07:49 AM.
Tourer
Joined: Jul 2008
Posts: 491
Likes: 1
From: Mass.
I would start by inserting the next 2 closest screws and torque a tad to relieve some of the cover pressure from the damaged bolt ..then take whatever course you choose to remove it ...and as stated earlier ...usually 27 get stripped because a 25 was thought to be the right size ..
Ultimate HDF Member
Joined: May 2006
Posts: 6,590
Likes: 444
From: Ohio
Drill the head of the screw off, then pull the derby cover off, then you will be able to easily unscrew the screw with your fingers or pliers.
Search, you will find many threads about this.
Make sure you have a T27 and not a T25, easy to think a T25 fits, until it strips!
Use some anti seize on the threads when you put the screws back in.
Search, you will find many threads about this.
Make sure you have a T27 and not a T25, easy to think a T25 fits, until it strips!
Use some anti seize on the threads when you put the screws back in.
Elite HDF Member
Joined: May 2006
Posts: 3,927
Likes: 5
From: Midwest
Go to the hardware store and ask them to sell you an Easy Out. You drill a small pilot hole through the head into the screw, insert the easy out, then back it out.
Here's how they work: http://www.youtube.com/watch?v=uhuwyGYd75g Take one of the good screws with you so that you get the right size.
Here's how they work: http://www.youtube.com/watch?v=uhuwyGYd75g Take one of the good screws with you so that you get the right size.
Last edited by Sharknose; Jul 3, 2011 at 09:31 AM.
Grand HDF Member
Joined: Sep 2009
Posts: 3,808
Likes: 285
From: Green Country Oklahoma
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Cruiser
Joined: Nov 2007
Posts: 148
Likes: 0
From: South Jersey
totally agree. i got snagged by #1. Had the right torx though...
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Cruiser
Joined: Nov 2007
Posts: 148
Likes: 0
From: South Jersey
Thanks everyone for the tips & tricks. This one sure was a PITA.
I dremmeled a slot for a screwdriver but it would't budge. Even after cranking on it with channel locks on the screwdriver. I eventually stripped the slot i cut.
I went to the 1/4: wood chisel and it wound up working. I think the impact "cracked" it loose.
All in all i managed to freak out and break something out of frustration, so its a plus.
Got SS allen screws to replace them.
Thanks all!
I dremmeled a slot for a screwdriver but it would't budge. Even after cranking on it with channel locks on the screwdriver. I eventually stripped the slot i cut.
I went to the 1/4: wood chisel and it wound up working. I think the impact "cracked" it loose.
All in all i managed to freak out and break something out of frustration, so its a plus.
Got SS allen screws to replace them.
Thanks all!