Marine Grade Stainless Steel Wing Nuts – Corrosion-Resistant for Boating & Marine Use

Our marine grade stainless steel wing nuts are engineered for the demanding marine environment. Manufactured from premium 316 stainless steel, these wing nuts offer exceptional resistance to saltwater corrosion, making them the reliable choice for boat builders, repair yards, and ship chandlers. The sturdy wing design allows for quick hand tightening and loosening without the need for tools, simplifying maintenance tasks on deck or in the engine room.

Each wing nut is precision-threaded to ensure a secure fit on standard marine bolts and studs. The smooth, polished finish not only enhances the aesthetic appeal of your hardware but also reduces the chance of crevice corrosion, extending service life even in the harshest offshore conditions. Whether you are securing hatches, battery terminals, or engine components, these wing nuts deliver dependable performance.

Available in a range of common sizes, our marine grade stainless steel wing nuts are an essential addition to any boat's spare parts inventory. Trust these components to provide long-lasting, vibration-resistant connections that stand up to the relentless challenges of the sea.

Key Features

Technical Specifications

Material316 Marine Grade Stainless Steel
FinishBright Polished
Thread Sizes Available1/4-20, 5/16-18, 3/8-16, 1/2-13 UNC
Operating Temperature-50°C to 300°C (-58°F to 572°F)
Corrosion ResistanceExcellent in saltwater and industrial atmospheres
UsageMarine deck hardware, engine mounts, battery terminals, and general fastening

Frequently Asked Questions

Are these wing nuts truly marine grade?

Yes, they are manufactured from 316 stainless steel, which is specifically rated for marine environments due to its high resistance to chloride-induced corrosion.

What thread sizes are available?

We offer common UNC sizes including 1/4-20, 5/16-18, 3/8-16, and 1/2-13. Custom sizes may be available upon request.

Can these wing nuts be used in freshwater applications?

Absolutely. While they excel in saltwater, they are also ideal for freshwater boats, docks, and any outdoor hardware exposed to moisture.

Do these wing nuts require special tools for installation?

No, the wing design allows you to tighten or loosen them by hand, making them perfect for quick adjustments and temporary fastening on board.

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