Marine-grade stainless grommet and washer set for heavy duty
✔️ Four gauge grommets and washers in marine-grade stainless steel

These heavy-duty sheet metal grommets and washers are built to withstand harsh marine environments, making them ideal for boats, outdoor enclosures, and industrial installations where corrosion resistance and durability matter.

✅ Hole Size 1/2 in; Flange Diameter 1.050 in; Length Under Flange 0.375 in
✅ Metal Thickness (grommet) 0.016 in; Inside Diameter 0.585 in; Outside Diameter 1.062 in
✅ Washer Thickness 0.013 in; Pack 1000 sets included

💡 What is a heavy-duty marine grommet and washer set used for in sheet metal projects?

In plain terms, this set is built to seal, reinforce, and protect openings in metal where cables or fasteners pass, especially in salty or humid environments.

- Handy for securing lines and cables through panels - Ideal for bulkheads, decking, and instrument panels with holes - Helps distribute load to prevent tearing and wear