I think that's what it is... a barrel bolt (or a bunch of different names) that are rare, but findable online at various hardware sites.
None of the boat parts places seem to carry them.
Someone stole two screws off my bimini top frame mount and I cannot find the replacement parts anywhere. I'm guessing they stole them because they are difficult to find.
Photos attached. I think they are called Chicago or "Sex" screws, but not sure. Basically, it's a 1-inch two-headed bolt with...
