Description
Overview
The fine thread bung plastic 18mm offers a practical way to secure drainage points on small boats. Mardon manufactures this bung, and it is distributed under BLA Code 192415. The supplied washer forms a firm seal, so the fitting remains watertight during use. Because of its straightforward design, boat owners can install or remove it quickly without special tools.
Features
• Creates a tight and reliable seal with the included washer
• Replaces standard three-point 18mm threaded bungs on many vessels
• Uses lightweight yet tough plastic for easy handling and durability
• Provides a simple, low-cost solution for regular hull maintenance
Specifications and Materials
Mardon uses marine-grade plastic to ensure resistance against fresh and salt water. The bung features a fine thread for a secure fit. In addition, ABYC Standard H-27 offers guidance on seacocks, thru-hull fittings and drain plugs, which supports correct selection and installation (ABYC Standards Development).
| Thread Size | 18mm fine thread |
| Material | Marine-grade plastic |
| Washer | Included |
These specifications help boat owners choose the right replacement part for their drainage systems.
Compatibility and Fitment
This fine thread bung fits most standard 18mm threaded drain plug housings. Therefore, owners can use it as a direct substitute for worn or lost bungs on dinghies, small boats and trailers. It suits three-point fittings and ensures proper alignment with common hull hardware.
Compliance and Safety
Correct installation helps maintain hull watertight integrity. To avoid water ingress, boat owners should inspect bungs frequently and replace them when necessary. Furthermore, following recognised marine safety standards such as ABYC recommendations improves overall vessel safety and ensures dependable performance.
Marine Applications
Boat builders, service technicians and recreational users rely on this bung for everyday drainage management. For example, it works well during launching, retrieval and storage when quick draining is essential. Its lightweight build and reliable sealing make it useful across a wide range of small marine craft.
Why Choose Argomarine
Argomarine supplies marine components that combine quality, reliability and value. We verify each item carefully to ensure consistent performance in Australian conditions. Consequently, boat owners can trust this fine thread bung plastic 18mm to deliver dependable sealing at an affordable price.
Explore more durable options within our hull accessories collection.
