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What type of screws and bolts to use?

Posted: Thu Jul 17, 2014 8:58 am
by Louky
Hi All. I just bought my first Marinette a couple months ago. It's a 1987, 32' Fisherman. I've heard that you have to be particular about what type of screws, nuts, and bolts you use, so not to cause a reaction with the aluminum. If this is true, what should I use? It appears that stainless steel has been used on it now.

Also, If a screw hole is stripped out, should I just go with the next larger size, or how should I repair.

Thanks so much!

Louky.

Re: What type of screws and bolts to use?

Posted: Thu Jul 17, 2014 10:12 am
by DougDoty
Stainless is the choice for sure, anodes and trim tabs were installed with stainless from the factory with great success. I guess it would depend on where your screw is stripped but the normal answer is to up size if needed. I have saw this done on stantion bases with good and acceptable appearing results.

Re: What type of screws and bolts to use?

Posted: Thu Jul 17, 2014 11:54 am
by Cabinfever
Depending on the location of your stripped screw you can buck it. Use a larger hammer on the backside and pound on the outside with the ball side of a ball peen hammer, this should effectively shrink your hole for the standard size screw, as long as you can get to the back side with your larger hammer.

Re: What type of screws and bolts to use?

Posted: Thu Jul 17, 2014 6:25 pm
by bill
Louky wrote:Hi All. I just bought my first Marinette a couple months ago. It's a 1987, 32' Fisherman. I've heard that you have to be particular about what type of screws, nuts, and bolts you use, so not to cause a reaction with the aluminum. If this is true, what should I use? It appears that stainless steel has been used on it now.

Also, If a screw hole is stripped out, should I just go with the next larger size, or how should I repair.

Thanks so much!

Louky.
BigM Do the fast jeff fix. There are numerous write ups on replacing stripped out screw holes especially rail stantions. Hopefuly it will follow us to this new sight. ;)
You can go to McMaster Carr web site and look up "Aluminum Heavy Duty Rivet Nuts". I used 10-32 flat head stainless screws.This is a permanent fix for washed out holes in aluminum. I did all of my rail stantions about five years ago and they are still tight. :D
Bill

Re: What type of screws and bolts to use?

Posted: Fri Jul 18, 2014 11:59 am
by Louky
You guys are great! That's some very useful information.

Thank you so much!
Louky