bolts

Anyone know what this is in my O’Day 26? The bolts are coming straight up through the hull under the starboard forward settee. The yellow wire is heavy gauge and is disconnected at the other end, but looks like it was connected to the negative bus. I bought the boat two years ago, and just...

I have a 94' Hunter 19 galvanized trailer full of rusted bolts and I want to replace them all. What type or grade should I replace them with? (I want to replace them with stainless steel, but I am unsure they have the sheer strength, specially the bolts that hold metal that the bunk rest on) I...

Could someone tell me the location of the wing keel bolts? Thank you!

Okay, fellow sailors and wing keel experts. Finally took a look at my wing keel. I don't know if I'm going to be able to get out on the water before the end of the season. The wing keel mount is going to need to be repaired or replaced. Am I screwed? I know I need to replace the bolts and will...