Marine drain bung designed to deliver a tight, long-lasting seal for common transom holes. Perfect for owners who want a quick, durable fix without specialist tools or constant fuss. Is EBTOOLS Boat Drain Bung the straightforward replacement that keeps your hull dry and secure?
⚡ At a Glance
- • Sealing Performance: Cam-shaped profile creates a tight, long-lasting seal against the hull
- • Best for: Owners needing a reliable replacement for 1-1/4-inch drain holes
- • Not ideal for: Drain openings significantly larger or smaller than 1-1/4 inches
Brass and rubber construction gives strong resistance to corrosion and wear. Designed for 1-1/4-inch holes with adjustable torsion to maintain a secure fit.
Long-term durability – thanks to brass and rubber construction
Brass components paired with a rubber sealing element resist corrosion and rust while keeping a robust structure. Materials specified for marine environments reduce the risk of rapid degradation.
Fewer replacements required under normal marine use, so maintenance demands drop and reliability increases.
Watertight performance under vibration – with cam-shaped sealing and adjustable torsion
Cam-shaped seal compresses the rubber against the hull while torsion is set from inside the beam, holding tension under boat movement. Torsion adjustment prevents loosening during engine vibration.
Livewells and bilges remain sealed while underway, reducing the chance of leaks during rough conditions.
Fast, no-fuss fitting – thanks to tool-free installation for 1-1/4-inch holes
Designed to be installed from inside the beam without complicated modification or additional drilling. Compatibility is specified for 1-1/4-inch openings commonly found on small craft and transoms.
DIY replacement is straightforward, letting owners swap bungs quickly without specialist help.
✨ The 4 Key Reasons for EBTOOLS Boat Drain Bung
- Brass and rubber construction – Resists corrosion, delivering years of reliable marine use.
- Cam-shaped sealing design – Creates a tight, lasting seal under engine vibration and movement.
- Fully adjustable torsion – Locks securely from inside beam, avoiding loosening at sea.
- Tool-free installation – Fits 1-1/4-inch holes without drilling or complex modification.
📋 Technical Details at a Glance
- Material: Brass and rubber
- Compatible hole size: 1-1/4-inch
- Seal type: Cam-shaped rubber seal
- Installation method: Installed from inside the beam
- Torsion adjustment: Fully adjustable torsion to set tension
❓ Frequently Asked Questions
Q: Will this bung fit my boat's drain hole?
A: The bung is specified for 1-1/4-inch holes and is intended as a replacement for those openings.
Q: Is the construction suitable for marine use?
A: Brass and rubber construction is described as resistant to corrosion and rust, offering a robust structure for marine conditions.
Q: Do I need to drill or modify the hull to install it?
A: Installation is stated as possible without drilling or complicated modification and is performed from inside the beam with adjustable torsion.
🏆 Our Verdict
Best suited to boat owners who need a dependable, easy-to-fit replacement for standard 1-1/4-inch drain holes. Robust brass and rubber construction combined with a cam-shaped seal and adjustable torsion ensures leak-resistant performance under vibration. Low maintenance and durable materials deliver good long-term value for frequent boat users.
