316 Marine Grade Screws for Saltwater Environments
Not all stainless performs the same. 316 stainless steel contains added molybdenum, which improves its corrosion resistance compared to 304 stainless steel.
Invest in 316-stainless waterproof screws for the following applications:
- Coastal homes and exterior framing
- Docks and piers
- Boardwalks
- Boat lifts
- Deck framing within 15 miles of saltwater
Choosing 316 marine screws helps reduce staining, rust, and fastener breakdown. In many cases, this leads to longer service life and fewer repairs over time.
Marine Fasteners for Composite, Fiberglass, & Engineered Materials
Modern waterfront builds often use composite decking, fiberglass components, and engineered wood products. These materials require fasteners that won’t react with moisture or cause surface staining.
Marine grade fasteners made from 316 stainless steel are especially effective when working with:
- Composite decking systems
- Fiberglass structures and panels
- Plywood, OSB, and laminated veneers
- Engineered wood and synthetic materials
Sharx brand screws are a strong option for these applications, offering consistent performance across a range of substrates. With the right stainless marine fasteners, you can build with confidence in demanding coastal conditions.
How Manasquan Fasteners Put You Ahead
Manasquan Fasteners is a U.S.-based fastener store focused on supplying contractors, builders, and serious DIYers with dependable products for wood construction.
When you order from us, you benefit from:
- Free shipping on online orders over $199
- Fast fulfillment
- Shipping to all 50 states, including coastal and island locations
We carry a full range of stainless steel screws and deck supplies for exterior builds, including solutions for docks and piers. Whether you’re sourcing stainless steel fasteners for a single project or ordering in bulk, we’re here to support your job from start to finish.
