Midland Industries
Midland Lead-Free Brass Solid Hex Plug
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
Midland Lead-Free Pipe Brass Hex Plug
Midland Lead-Free Pipe Brass Hex Plugs are designed to securely seal compatible female threaded pipe openings in potable water, plumbing, commercial, and industrial piping systems.
Manufactured from solid lead-free brass, these plugs feature male NPT threads and a full-body construction for dependable durability, along with a hex head that provides positive wrench engagement for installation and removal.
Product Highlights
- Solid lead-free brass construction
- Male NPT threaded connection
- Hex head for secure wrench engagement
- Designed to seal female threaded pipe openings
- Corrosion-resistant brass construction
- Suitable for compatible potable water applications
- Precision-machined threads
- Full-body solid plug design
- Available in multiple nominal pipe sizes
- Suitable for residential, commercial, and industrial piping systems
Technical Specifications
| Product Type | Hex Pipe Plug |
|---|---|
| Brand | Midland |
| Material | Lead-Free Brass |
| Connection Type | Male NPT |
| Thread Type | NPT |
| Head Style | External Hex |
| Body Style | Solid Full-Body Plug |
| Available Sizes | Multiple Nominal Pipe Sizes |
| Primary Function | Sealing Female Threaded Pipe Openings |
| Typical Applications | Potable Water, Plumbing, Commercial, Industrial, and General-Purpose Piping Systems |
Hex Plug Configuration
Male NPT Thread
Precision-machined male NPT threads allow the plug to install into a compatible female threaded pipe opening, fitting, valve, manifold, or equipment port.
Solid Brass Body
The full-body lead-free brass construction provides dependable mechanical strength, corrosion resistance, and long service life in compatible applications.
External Hex Head
The hex-shaped head provides positive wrench engagement for controlled installation, tightening, inspection, and removal.
Construction Details
The solid lead-free brass body provides strength, durability, and corrosion resistance for dependable performance in compatible potable water and general-purpose piping systems.
Precision-machined male pipe threads help create a secure threaded connection when installed with an appropriate thread sealant.
The external hex head allows the plug to be installed or removed using a correctly sized wrench while helping provide controlled installation torque.
Why Choose a Solid Brass Hex Plug?
Durable Construction
- Solid brass body
- Designed for repeated service and maintenance
- Corrosion-resistant in compatible environments
- No hollow internal body cavity
- Suitable for demanding threaded piping applications
Easy Installation
- External hex wrenching surface
- Simple threaded installation
- Easy removal for maintenance or system changes
- Compatible with standard female NPT openings
- Available in multiple nominal pipe sizes
NPT Threaded Connection
Male NPT
The tapered male NPT thread is designed to engage a compatible female NPT opening and progressively tighten as the plug is threaded into place.
Thread Sealing
Use PTFE tape or an approved thread sealant compatible with the system media and piping materials to help provide a leak-resistant connection.
Typical Applications
Potable Water & Plumbing
- Potable water piping
- Residential plumbing
- Commercial plumbing
- Water distribution systems
- Unused threaded fitting ports
Industrial & General Service
- Manifolds
- Equipment ports
- Utility piping
- Maintenance and repair
- Compatible industrial fluid systems
Size Selection
Midland lead-free brass hex plugs are available in multiple nominal pipe sizes for use with compatible female NPT openings.
Confirm the nominal pipe size and thread standard of the female opening before ordering. The selected plug must match the corresponding female NPT connection.

Our pipe and fitting specialists can help review your required nominal pipe size, female NPT opening, potable water requirements, pressure, temperature, material compatibility, and application before you order.
Email the GetPipe.com Team Visit Quick SupportFrequently Asked Questions
What material is this plug made from?
The plug is manufactured from solid lead-free brass.
What type of thread does it use?
It uses a male NPT threaded connection.
What is a hex plug used for?
A hex plug is used to close or seal an unused compatible female threaded pipe opening.
Why does the plug have a hex head?
The external hex head provides a wrenching surface for controlled installation, tightening, and removal.
Is this plug suitable for potable water?
The supplied product information identifies lead-free brass construction intended for compatible potable water applications.
Are multiple sizes available?
Yes. The supplied product information identifies multiple nominal pipe sizes.
Should thread sealant be used?
Yes. Use PTFE tape or an approved thread sealant compatible with the system media and piping materials.
Can the plug be removed later?
Yes. The external hex head allows the plug to be removed with an appropriate wrench when future access to the threaded opening is required.
How tight should the plug be installed?
The plug should be installed using accepted NPT threading practices. Avoid excessive tightening that could damage the plug or mating female thread.
What should I verify before ordering?
Confirm the required nominal pipe size, NPT thread standard, pressure, temperature, media compatibility, and potable water requirements where applicable.
Important Ordering & Installation Notes
- This listing is for Midland Lead-Free Pipe Brass Hex Plugs.
- Confirm the required nominal pipe size before ordering.
- The plug uses a male NPT threaded connection.
- Verify the mating opening uses a compatible female NPT thread.
- Use PTFE tape or an approved thread sealant compatible with the application.
- Verify lead-free brass is appropriate for the intended media and potable water requirements.
- Confirm pressure and temperature requirements before installation.
- Use the external hex head as the wrenching surface during installation and removal.
- Avoid excessive tightening that could damage the plug or female threaded opening.
- Inspect plug and mating threads for damage before assembly.
- Do not install a plug with damaged or contaminated threads.
- Check the completed connection for leakage before placing the system into service.
- Install according to accepted piping practices and applicable plumbing codes.
- Follow Midland manufacturer recommendations for complete installation and operating requirements.