These black plastic boating bungs are designed for durability, ease of use, and a watertight seal. Available in both complete bung assemblies and replacement screw-in bungs, they suit a wide range of marine applications.
Made from tough, UV-stabilised plastic, they are resistant to corrosion and impact, ensuring long service life. Whether you need a full assembly with base and mounting screws or just a replacement screw-in bung, these options keep your boat dry and secure.
| Type | Base Size (mm) | Bung Dia. (mm) | Cut Out Dia. (mm) | Mount Screws | Notes |
|---|---|---|---|---|---|
| Bung & assembly small coarse thread | 52 × 35 | 18 | 25 | 5 c/s | Complete bung & housing |
| Bung only small coarse thread | – | 18 | – | – | Replacement bung for 52 × 35 assembly |
| Bung only small fine thread 2pk | – | 18 (threaded) | – | – | Fine 3-point threaded replacement bung |
| Bung & assembly large oblong | 65 × 50 | 30 | 40 | 4 r/h | Complete bung & housing |
| Bung only large oblong | – | 30 | – | – | Replacement bung for 65 × 50 assembly |
| Bung & assembly large round | 66 × 58 | 31 | 40 | 4 r/h | Complete bung & housing |
| Bung only large oblong | – | 31 | – | – | Replacement bung for 66 × 58 assembly |