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This individual stainless steel plug is engineered to provide a durable, sealed closure for threaded pipe ports. Made from 304-grade stainless steel, it is suited to applications where resistance to corrosion and rust is important, such as in plumbing assemblies, gas line fittings, or various industrial piping systems. Its defining hexagonal head allows for positive engagement with a wrench, ensuring it can be tightened effectively to prevent leaks. The product is supplied as a single unit, identified as part of a specific '3/8' series, and is ready for integration into your pipework project where a reliable threaded endpoint is required.
This plug is defined by its practical material choice and functional design, built to perform a specific sealing role in pipe networks.
This component serves as a terminal point or access port seal within a broader piping assembly, finding use in both professional and skilled DIY contexts.
The value of this product lies in its material durability, straightforward application, and role in completing a secure piping system.





Stainless steel pipe plug bulkhead 304 hexagonal cap multi-specification thread seal connector for plumbing, gas, or industrial piping systems in a durable rust-resistant metal finish.
£5.00
Sale price
£5.00
Regular price
304 Stainless Steel Hexagon Head Pipe Plug for Secure Bulkhead Sealing

Features and Construction

Material and Build
The plug is fabricated entirely from 304 stainless steel, an austenitic steel alloy containing chromium and nickel. This composition grants it a fundamental resistance to oxidation and corrosion, making it a practical choice for environments exposed to moisture, mild chemicals, or outdoor conditions. The solid one-piece construction ensures there are no weak points, and the metal provides the necessary strength to withstand typical installation torque and system pressure.Size and Practical Fit
The source text specifies the product's series as '3/8', which typically relates to a thread size designation in imperial measurements, likely indicating a 3/8-inch nominal thread. However, precise measurements such as the thread pitch (TPI), the across-flats dimension of the hex head, or the plug's overall length are not detailed. Users must verify the thread specification matches their existing fitting to ensure a proper seal. The hexagonal head profile is a standard design that interfaces universally with spanners and socket sets.Uses and Placement

Event or Professional Use
In commercial, industrial, or trade settings, this plug can be used to blank off unused ports on manifolds, valve assemblies, or pressure vessels. Its stainless steel construction makes it suitable for food processing lines, marine applications, chemical transfer systems, or compressed air lines where material compatibility and sealing integrity are critical. It acts as a permanent or semi-permanent seal on test points or future connection points.Everyday Home Use
For homeowners or DIY enthusiasts, this plug could be used to seal a threaded outlet on a home workshop air compressor, an irrigation system manifold, or a custom plumbing project such as an outdoor shower or rain barrel system. Its corrosion resistance is advantageous for garden or garage installations where fittings may be exposed to damp conditions.Benefits and Buying Value

Reuse and Low Maintenance
Made from solid stainless steel, the plug is not a consumable item; it can be installed, removed, and reinstalled multiple times without degrading, provided the threads are not damaged. Its inherent corrosion resistance means it requires no protective coating or painting and will maintain its appearance and function with only basic cleaning, reducing long-term maintenance concerns.Why Choose This Product
This plug is chosen for its specific material suitability and functional design. The 304 stainless steel offers a clear advantage over plain steel or plastic plugs in corrosive or wet environments. The hexagonal head is a simple, effective feature that guarantees it can be installed securely without specialised tools. When you require a dependable, reusable seal for a threaded pipe port and need the properties of stainless steel, this hexagon plug provides a focused solution.




