Type 18 8 Stainless Steel Neoprene Bonded Sealing Washer Size Five Sixteenth Inch Pack Of Fifty For Saltwater Marine Hardware Delivers Tight Weathertight Seal And Strong Grip Marine Bolt Supply

Sealed washers: Type 18-8 SS, 5/16 in, pack 50
✔️ 5/16 in size, 18-8 stainless with neoprene bonded seal

These neoprene bonded sealing washers are made from Type 18-8 stainless steel. They create a tight, watertight seal around screws in saltwater marine hardware and are ideal for weatherproof fastener assemblies.

✅ Material: Type 18-8 stainless steel (AISI 304)
✅ Bonded neoprene rubber provides a tight watertight seal
✅ Size: 5/16 in (7.94 mm) bore for standard hardware
✅ Pack of 50 washers per package
✅ Heat-sealed in poly bags for safe shipping

💡 What is a neoprene bonded sealing washer used for in marine hardware?

These handy seals help protect fastener joints in damp, saltwater settings. - Provides a reliable watertight seal around bolts and screws - Neoprene bonded to stainless steel cushions and seals against moisture - Ideal for boats, docks, and outdoor equipment using standard hardware - Easy to install with common tools and fasteners