Join Date: Jun 2008
Location: Karratha Australia
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What about a countersunk screw in a counter sunk hole? I recently installed midship cleats, I over drilled and filled the holes with epoxy then laid in Sicaflex 291 before pulling the cleats down to 1mm from the deck using spacers (I put Sicaflex inside the countersunk recesses) after allowing the sealant to cure, removed the spacers and nipped up the nuts.
Should the countersunk recess and the head of the countersunk bolt have a different angle of countersinkedness (is that a word?) to allow some amount of sealant to remain under the bolthead?