Another broken screw thread (in wood) - Page 2 - SailNet Community

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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #11  
Old 03-02-2010
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Pappy, those extractors might be a little big for a #6 or #8 wood screw, especially one with a broken head.
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Old 03-02-2010
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If all else fails and you have enough diameter in the stuck scrwe try an "easyout". It's more common to use easyouts in a steel bolt. You drill a hole down the center of the bolt that you want to extract. You then screw in the easyout into the hole. The easyout is threaded CCW... opposite to the normal screw thread. It's like a screw tap but in the opposite direction. Once the easy-out is screwed in you can use it to unscrew the stuck screw as turning it in to pull out the stuck fastener only tightenes the easyout. Easyouts are available in most hardware stores.
good luck
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Old 03-03-2010
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Quote:
Originally Posted by bljones View Post
Pappy, those extractors might be a little big for a #6 or #8 wood screw, especially one with a broken head.
It's the tool that's important not the size besides you can get them smaller, and #6 or 8 wood screw is kind of a small fastener for a handhold
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Old 03-03-2010
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i really suggest the plug cutters like was pictured above. it really is the best safest way

edit another option is a hole saw with the guide bit removed. they sell them very small if you look, i have seen them with an outside dia of 3/8
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Old 03-03-2010
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you guys must have steadier hands than I do. Fostners, plug cutters, and hole saws usually give me fits in a hand drill. I am okay with a drill press, of course, but have really marred some wood up trying to do it by hand.
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Old 03-03-2010
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Quote:
Originally Posted by Waltthesalt View Post
If all else fails and you have enough diameter in the stuck scrwe try an "easyout". It's more common to use easyouts in a steel bolt. You drill a hole down the center of the bolt that you want to extract. You then screw in the easyout into the hole. The easyout is threaded CCW... opposite to the normal screw thread. It's like a screw tap but in the opposite direction. Once the easy-out is screwed in you can use it to unscrew the stuck screw as turning it in to pull out the stuck fastener only tightenes the easyout. Easyouts are available in most hardware stores.
good luck

If you do this method, make sure you drill a hole in the exact center of the screw you are removing. Use a punch or something. And drilling into steel isn't easy to start with.

I tried using one and was off center a bit, which is why I'm looking to cut a slot in the the top of the bolt so I can unscrew it.

Also, any pictures?

Regards,
Brad
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There is a tool like a small hole saw, but longer. It cuts in turning left, grabs the screw and draws it out by friction. I don't remember the name. Try Googling "broken screw extractor". If you can spring the rail out at all, consider using a hacksaw blade to cut the screw at the seam.
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Old 03-03-2010
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I would make a huge electromagnet and just suck the screw into it.

Make sure you remove everything else that is metal from the boat and surrounding area.
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Old 03-03-2010
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Sounds like a plan!

By the way, I started a new thread about rebedding these darn things. Seemed like a different subject really, so hope that's OK...
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Old 03-03-2010
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Is this a steel, non-stainless screw? You don't want any screws that are magnetic in a boat, anyhow, do you?
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