Self Retaining Boat Drain Plug That Stays Put In 1 Inch Hole With O Ring Seal Polypropylene Construction And Vibration Resistant Design Ideal For Transoms Wells Coolers And Tanks

Self-Retaining 1-Inch Boat Drain Plug with O-Ring Seal
✔️ Single plug stays attached in 1 in hole with O-ring seal.

This self-retaining drain plug is built for marine use and installs in standard 1 in holes. It’s ideal for boat transoms, livewells, bait tanks, coolers, and water tanks where a positive, leak-free seal and a plug that won’t get lost matter most. Color: Black.

✅ Self-retaining design keeps the plug attached during use
✅ Threaded seal with O-ring provides leak-free performance under vibration
✅ Installs in standard 1 in hole; uses two No. 8 countersunk stainless screws (not included)
✅ Waterproof flange design with sealant groove for positive mounting
✅ Marine-grade polypropylene construction resists corrosion and wear
✅ Suitable for transoms, livewells, bait tanks, coolers, and water tanks

💡 What is a self-retaining boat drain plug and why is it used in transoms, wells, and coolers?
It's a handy solution that keeps the plug in place and seals out water under rough conditions.
- self-retaining design keeps the plug attached during operation
- O-ring sealed threaded joint resists vibration and leaks
- polypropylene marine-grade construction resists corrosion in saltwater environments
- fits standard 1 in holes and uses common No. 8 stainless screws