Stainless Steel Roof Screws In Aluminum Boat

Is there anyone out there who might be able to advise me as to what is the effects of using stainless steel or galvanised screws zinc coated onto an aluminium boat hull in regards to electrolysis.

Stainless steel roof screws in aluminum boat.

However stainless steel is reactive with aluminum and when a stainless steel screw is in contact with an aluminum base metal the aluminum is likely to corrode. This weakened aluminum causes it to deteriorate at a much faster rate. It is no doubt that stainless steel screws are the best when it comes to holding together materials such as aluminum sheets so that when faced with a variety of elements they do not break open. Shop for all your boat railing parts today and save.

Get it as soon as thu sep 17. This results in the aluminum weakening. Save 5 more with subscribe save. This can lead to an extended life of the stainless steel.

Ie will the stainless steel and gal break down before the aluminium or the other way around. Crafts man 150 pcs canvas snap kit tool metal screws snaps marine grade 3 8 socket stainless steel boat canvas snaps with 2 pcs setting tool for boat cover furniture 150 pcs 4 5 out of 5 stars 525. Despite the dissimilar metals and risk of corrosion stainless steel screws are the recommended fastener for aluminum panels. Aluminum if left on.

When assembling aluminum panels you want to use the strongest fasteners possible to ensure that your project holds together in high winds and winter weather. When aluminum and stainless steel are used in an assembly together the electrons from the aluminum will begin to transfer into the stainless steel. I don t want to end up with holes in the hull like i have been told lead sinkers sinkers can do. As is the case with carbon steel screws a plated stainless steel screw is less likely to corrode aluminum.

In this case the surface area of the aluminum is so large relative to the surface area of the stainless steel bolts that there is a very low risk of major corrosion. An example of the safe use of stainless steel fasteners with aluminum would be where stainless steel bolts are used to secure aluminum roadway parapet guards.