Seachoice RP-SC1439 Stainless Steel Countersunk Finishing Washer 5/16 Inch

The Seachoice RP-SC1439 is a premium stainless steel countersunk finishing washer designed for marine and outdoor applications where corrosion resistance is essential. This 5/16-inch washer features a countersunk design that allows fastener heads to sit flush with the surface, creating a clean, professional appearance while protecting the underlying material.

Key Features:

• Constructed from marine-grade stainless steel for superior corrosion resistance in saltwater and harsh environments
• Countersunk profile accommodates flat-head screws and bolts for a smooth, finished look
• 5/16-inch size fits standard marine hardware and fasteners
• Finishing washer design provides a polished appearance for visible installations
• Sold in convenient 50-piece bags for multiple projects

Ideal for boat hardware installation, marine upholstery, canvas work, deck fittings, and any application requiring a corrosion-resistant, flush-mounted fastening solution. The stainless steel construction ensures long-lasting performance even in the demanding marine environment.