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Charles Hall

Removing stainless steers wood screws from a teak deck (screwed in from under the deck)

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We have a Hans Christian sailboat with teak decks. The decks were all fastened from below with stainless steel wood screws. Over the past 31 years, the teak has worn and the tips of the fasteners are beginning to show. There is still life in the decks, though. I am able to cut the teak deck around the stainless screw with a 3/8" hole saw for a teak plug. This works quite well. What tool other than a carefully managed Dremel can be used to grind the screw out of this 3/8 hole without damaging surrounding teak? By the way, there is no coring whatsoever in the decks or cabin top of this boat.

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A Fein Multimaster with a flush cut metal blade will cut the screws flush with the deck very easily.

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Many thanks for the suggestion of using the Fein. However, what I wish to do is to remove approximately 1/2" of the threaded portion of the stainless screw that is inside of the 3/8" hole in the teak deck that I have cut with a 3/8" hole saw. When the screw is cut off at sufficient depth, a 3/8" teak plug can finish the deck repair. Make sense? So far, the only tool I have found that works is a Dremel with a very small metal bit.

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OK, thought you wanted to remove the screw.  I guess the dremel would do it.  I can't think of anything else.

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I had to remove some stainless screws from the bottom (water side) of a racing boat that were imbeded in 1/4" thick plywood.  I used my Fein Multimaster to cut a slot in the head of the screw.  This allowed me to use a flat blade screwdriver to remove the screws.  There was little damage to surrounding wood and the screws backed out perfectly.

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The dremmel is your best bet. Get a few carbide pear shaped cutters and wear safety glasses as the carbide burr will spew razor sharp stainless shards.

While grinding down the screw, keep the cutter cool by dipping it in a cup of cold water every 30 seconds or so and it will last a lot longer.

 

Are these screws not accessible from the underside?

What will hold the deck down if you grind off all the screws?

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