I forgot to mention that when I had my mast rebuilt the boatyard welded all of the old vestigial holes closed before painting. Of course you're probably not even considering something to this extent.
Josh On Wed, May 2, 2018, 9:20 PM Josh Muckley <muckl...@gmail.com> wrote: > You can rivet them. Mine are. Aluminum rivets won't corrode the mast. > > There really isn't a good reason not to go up to a #12 machine screw. > > Of course there are epoxy materials such as JB weld in liquid or in a > stick. I'm not sure that they would produce a lasting repair. > > What about backing nuts? > > Ever heard of riv-nuts? They go in like rivets but are threaded for a > machine screw fastener. > > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > > On Wed, May 2, 2018, 9:12 PM Matthew L. Wolford via CnC-List < > cnc-list@cnc-list.com> wrote: > >> Listers: >> >> Currently doing some mast work and needed to remove and reinstall a >> couple stainless steel exit plates. The plates are held in place with four >> stainless machine bolts (10-24 or thereabouts), which screw into threaded >> holes in the aluminum mast. I discovered that the threads were stripped in >> several of the holes – probably due to dissimilar metals. Aside from >> drilling and tapping new or larger holes (which I prefer to not do), is >> there some other way to reconstitute the threads to hold the screws in >> place. Strength is not really an issue. I was thinking about coating the >> screws in epoxy or something, but I figured someone on the list may know >> some other trick. Thanks in advance. >> >> >> Matt Wolford >> C&C 42 Custom >> >> >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >>
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