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Replaced a dozen rivets, half leaking?
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<blockquote data-quote="ericman" data-source="post: 439490" data-attributes="member: 11909"><p><em>I would say the 1/2" rivet is to long. You want a rivet with a grip length of about 1/4" for 2 pieces of 1/8" material.</em></p><p><em></em></p><p><em></em></p><p><em></em></p><p><em>So should I drill out the leaking rivets and reinstall 1/4 length rivets?</em></p><p></p><p>No, 1/4" grip length does not mean 1/4" long rivet. It just means that the rivet is capable of joining sheets totaling 1/4" thickness, so the shaft length is actually a bit over 1/2". You have the right ones.</p><p></p><p>And they are not 3/8" diameter rivets. I've never seen 3/8" blind rivets. I've never seen 3/8" rivets in boats period. The most common diameter rivet in a boat is 3/16". The only reason to go bigger is if you are riveting your transom together OR if an existing rivet hole is worn out (too big) then you just drill to 1/4" and replace with a 1/4" rivet.</p><p></p><p>Like I said in an earlier post, just finish bucking the rivets. That will squeeze everything up tight. If need be, smear some jb-weld over the rivet-head to seal.</p></blockquote><p></p>
[QUOTE="ericman, post: 439490, member: 11909"] [i]I would say the 1/2" rivet is to long. You want a rivet with a grip length of about 1/4" for 2 pieces of 1/8" material. So should I drill out the leaking rivets and reinstall 1/4 length rivets?[/i] No, 1/4" grip length does not mean 1/4" long rivet. It just means that the rivet is capable of joining sheets totaling 1/4" thickness, so the shaft length is actually a bit over 1/2". You have the right ones. And they are not 3/8" diameter rivets. I've never seen 3/8" blind rivets. I've never seen 3/8" rivets in boats period. The most common diameter rivet in a boat is 3/16". The only reason to go bigger is if you are riveting your transom together OR if an existing rivet hole is worn out (too big) then you just drill to 1/4" and replace with a 1/4" rivet. Like I said in an earlier post, just finish bucking the rivets. That will squeeze everything up tight. If need be, smear some jb-weld over the rivet-head to seal. [/QUOTE]
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Replaced a dozen rivets, half leaking?
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