#10 x 3 in 316 Stainless Steel Screws Marine Grade - 350 Pack

In this review of the #10 x 3 in 316 Stainless Steel Screws by Allen's Trading Co. Eagle Claw Fasteners, the bottom line is simple: these screws are aimed at builders and DIYers who need long-lasting fasteners for coastal or outdoor wood projects. The standout reason to buy is the use of 316 marine grade stainless steel, which delivers superior corrosion resistance compared with ordinary stainless screws and prevents rust stains on timber over time. For anyone fitting decks, docks, fences or other exposed woodwork, they offer reliability where salt, moisture, and long service life matter most.

Key Features

• 316 Marine Grade: The material resists saltwater and coastal corrosion to keep timber free of rust streaks and staining.
• Star Torx Driver Included: The T25 star drive reduces cam-out and helps protect the head during installation.
• Type 17 Point: The sharp point helps start the screw cleanly and reduces the risk of splitting when pilot holes are used.
• Versatile for All Wood Types: Designed for use with hardwoods, softwoods and pressure treated lumber including redwood and cedar.
• Burnished Finish: The clean, shiny finish improves the visual appearance of outdoor projects.
• Trusted Design Lineage: Designed in the USA and produced for Eagle Claw Fasteners with experience rooted in commercial timber projects.

Who It's For

These screws are best for contractors, boat builders, and homeowners who regularly work on exterior wood projects in wet or salt-exposed environments. If your work includes decking, docks, fences, balustrades or jetties, the 316 stainless steel composition makes these a sensible long-term choice to avoid corrosion and staining.

Those who should look elsewhere include users who need self-drilling fasteners for metal-to-wood work, or installers who prefer Phillips or slotted heads; these screws are star Torx and are not self drilling, so pilot holes are recommended for best results.

Pros & Cons

Pros

• Excellent corrosion resistance in coastal and wet environments thanks to 316 stainless steel.
• Star Torx driver reduces stripping and improves driving control compared with standard drives.
• Suitable for a wide range of wood types including treated lumber and hardwoods.
• Clean burnished finish gives projects a neat, professional appearance.

Cons

• Not self-drilling, so pilot holes are recommended to prevent splitting and ease installation.
• Some users reported occasional head stripping if over-torqued or incorrect driver technique is used.

Specifications

Our Verdict

These 316 stainless steel screws are a smart investment for anyone working on outdoor wood projects where salt and moisture accelerate corrosion. They deliver real value through long-term durability, a star drive that reduces cam-out, and a finish that stays tidy on exposed timber. Installers who accept pilot holes and use the proper driver will find them worth the price for coastal and heavy-duty exterior use.

Frequently Asked Questions

Are these screws suitable for saltwater exposure?
Yes. The 316 marine grade stainless steel resists saltwater corrosion and is recommended for docks, jetties and coastal applications.

Do I need pilot holes?
Yes. These screws have a Type 17 point and are not self-drilling, so pilot holes are recommended to prevent splitting and make driving easier.

Is a driver included?
Yes. A T25 star Torx driver bit is included to reduce cam-out and help protect the screw head during installation.