Brass Threaded Sealing Plug – Flat-Sided Head, 19–21mm
Brass Threaded Sealing Plug – Flat-Sided Head, 19–21mm
Brass Threaded Sealing Plug with Flat-Sided Drive Head
Keep your marine hardware systems neat and secure with this purpose-built Brass Threaded Sealing Plug. Engineered for screw-in port closure during routine maintenance, this compact fitting covers exposed threaded openings and keeps your repair workflow orderly — whether you're working dockside or at the workshop bench.
Key Features
- Purpose-Built Port Sealing: Designed specifically for screw-in port closure on marine hardware, helping cover exposed threaded openings and support tidy, efficient repair work.
- Flat-Sided Drive Head: The flat-sided top provides a secure grip area for your tools, reducing slipping during installation or removal — ideal for repeated handling in routine service tasks.
- Solid Brass Construction: The threaded brass body is built for practical maintenance use in damp work environments, delivering durability suited to marine and mechanical applications.
- Versatile Sealing Application: Suitable for sealing, plugging, and controlling leaks at threaded ports on marine hardware and related mechanical interfaces — a reliable choice for repair benches, onboard spare kits, and workshop planning.
- Flexible Quantity Options: Available in a single-plug or two-plug pack so you can stock up based on your maintenance needs.
Specifications
- Material: Brass
- Type: Square Threaded Sealing Plug
- Applicable Calibers: 19–21mm
- Application: Marine hardware port sealing, mechanical interface closure, replacement & routine maintenance
- Country of Origin: Made in China
Package Includes
- 1× Square Threaded Sealing Plug OR 2× Square Threaded Sealing Plugs (select your preferred quantity)
Important Notes
- Please allow a 1–2 cm variance due to manual measurement. Confirm sizing before ordering.
- Colors may vary slightly between monitors and the actual product.
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What thread size is this brass sealing plug compatible with?
A: This brass threaded sealing plug is designed for applicable calibers of 19–21mm, making it suitable for a range of standard marine hardware and mechanical threaded ports within that size range. Always verify your port diameter before purchasing.
Q: Is this sealing plug suitable for use in wet or marine environments?
A: Yes. The brass construction is well-suited to damp and marine work environments, providing a practical and durable closure for threaded ports on boat hardware systems and related mechanical interfaces during maintenance and repair tasks.
Q: Can I use this plug as a spare part kept onboard?
A: Absolutely. Its compact size and straightforward screw-in design make it an excellent addition to an onboard spare kit or workshop maintenance supply, ensuring you have a reliable port closure option ready whenever routine service calls for it.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.