All of our stainless steel nuts, bolts, and screws are marine grade 316/A4, the same alloy used in offshore hardware, professional shipyards, and demanding coastal environments where corrosion resistance is paramount. Whether you are choosing or metric or imperial sized nuts, bolts, and screws you're going to find that 316/A4 SS is a top performer in marine environments.
316 stainless contains molybdenum, giving it substantially better corrosion resistance than 304/A2 or 18-8 stainless in saltwater and high-humidity conditions. Before shopping, select the thread standard that matches your application above.
Why Fair Wind Fasteners for 316/A4 Stainless?
We stock only 316/A4 stainless steel fasteners — never 304, A2, 18-8, or some mystery stainless steel fasteners. This business was founded on only supplying quality fasteners that we would personally use in our own projects and we're pleased to be trusted by many prestigious companies.
Every fastener is passivated for maximum corrosion resistance and available by the piece or in bulk with quantity discounts. We ship worldwide from Newport, Rhode Island, typically same or next business day.
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