Three Sixteenth Inch Tri Grip Rivets Set Fifty Pieces With Waterproof O Rings For Marine Use Aluminum Blind Rivets For Boats Kayaks And Canoes Tri Fold Decorative Pop Rivets Built For Boat Life One Inch Head Fits Four To Twelve mm Grip Range

3/16 in Tri-Fold Grip Rivets for Marine Use, 50 Pcs Set
✔️ 50 rivets + 50 O-rings with waterproof seal for marine use

This marine rivet set includes 50 aluminum tri-fold blind rivets with waterproof O-rings, designed to seal against water in boats, kayaks, and canoes. The tri-fold legs spread the load over a larger area for durability and help prevent sag or pull-through when fastening multiple layers of aluminum, wood, or plastic.

✅ Hole size 3/16 in (4.76 mm)
✅ Head diameter about 1 in (25.4 mm)
✅ Grip range 1/6 in to 1/2 in (4-12 mm)
✅ Aluminum body with tri-fold legs for larger bearing area
✅ Waterproof O-ring under head for water seal
✅ Pack includes 50 rivets and 50 waterproof O-rings
✅ Color: Black

💡 What is a marine blind rivet with waterproof O-ring used for?

In short, it's a handy fastener for sealing and fastening in wet environments.

• Seals water ingress with an O-ring under head on boats, kayaks, and canoes
• Distributes load with tri-fold legs for strong, durable joints
• Works with aluminum, wood, or plastic backing common in marine builds
• Ideal for deck patches, hull repairs, and mounting hardware