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Old Nov 30, 2007, 05:02 AM
KaanX is offline
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Tips on how to remove stripped hex screws


As the topic title says.
It happened to me
I stripped the screw on my metal tail servo mount of t-rex trying to overtighten it
I tried to grab them by pliers, no luck. The heads are too small and round.
Does somebody have any tips on remove those screws without destroying the mounts?
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Old Nov 30, 2007, 05:19 AM
greenh0rn is offline
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Quote:
Originally Posted by KaanX
As the topic title says.
It happened to me
I stripped the screw on my metal tail servo mount of t-rex trying to overtighten it
I tried to grab them by pliers, no luck. The heads are too small and round.
Does somebody have any tips on remove those screws without destroying the mounts?
usually i'd cut a slot on top of the screw using my dremel tool and open it with a flat tip screw driver.
Old Nov 30, 2007, 05:33 AM
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Sometimes using a fresh hex tip helps. use a new allen key or cut the tip to have fresh corners. Also in these helis, sometimes manufacturer uses a mix of 1.5mm and 1/16" hex. The 1/16" is bigger. Using 1.5mm on these will strip the bolt.
Old Nov 30, 2007, 05:52 AM
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Thanks, I'll try both. Maybe heating it up will let the loctite go, helping the screw turn.
Old Nov 30, 2007, 08:46 AM
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I have the same issue, i am going to try and grind a flat spot right now..
Old Nov 30, 2007, 09:40 AM
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Clean bolt head to remove any grease/oil, take a small amount of JB weld or thick CA and glue to head of bolt. this tip is in the RCheli mag, Jan edition.
Old Nov 30, 2007, 09:44 AM
Lota Fun R is offline
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If that doesn't work I would suggest using some soldering flux and solder the wrench on the bolt. This does two things, one, adheres wrench to bolt, two, it heats up the bolt only and what this does is "shift the clevis plates", the clevis plates are the threads. Let cool slightly before trying to remove.
Old Nov 30, 2007, 10:00 AM
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great ideas lota...
Old Nov 30, 2007, 07:41 PM
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Ive had a few instances where a flat head would fit into the head and turn it. Ive used a flat head on a few torx type screws before also.

You have to find the right tip that fits in tight, having alot of screws drivers helps.

Cutting a slot in the head is probobly the best as long as you can get the cutting wheel down into the head.

They sell easy outs also, its like a reverse drill bit that digs in when you spin it counter clockwise. We have a few of those around here
Old Nov 30, 2007, 07:48 PM
Gino CP is offline
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Are there easy outs that small?
Old Nov 30, 2007, 08:01 PM
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Quote:
Originally Posted by Gino CP
Are there easy outs that small?
might not be but in the future some one on here may run into a problem similar with a larger size.

I may cut a slot into the nub that broke off in the nut on my king V2 spindle.

trid the Gino CP "i bend mine back" trick and just my luck it snapped. GASP!
Old Nov 30, 2007, 08:30 PM
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You bend it without the nut. LOL. It is thinner around the threads.
Old Nov 30, 2007, 08:36 PM
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Craftsman has a SCREW-OUT set, part #952157 that works well. Directions say to insert the tool in a drill but I have backed screws out without using a drill. Just put the extractor in a handle and carefully back the screw out. My set came with 7 sizes of extractors all the way from large to very small.
Old Nov 30, 2007, 09:12 PM
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Quote:
Originally Posted by Gino CP
You bend it without the nut. LOL. It is thinner around the threads.
oh great, NOW you tell me.... lol

I couldnt get any leverage so i put the nut on to use that tool to pry it with.

Ive bent it out a few times before it broke though
Old Nov 30, 2007, 09:31 PM
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