Merit Brass

125# Leaded Brass Solid Square Head Plug

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SKU:
X117A
Availability:
Usually Ships Same Day
Weight:
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  • 125# Leaded Brass Solid Square Head Plug
  • 125# Leaded Brass Solid Square Head Plug Dimensions
$2.95 - $300.11

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Description

125# Leaded Brass Solid Square Head Plug

125# Leaded Brass Solid Square Head Plugs are threaded closure fittings designed to seal compatible female-threaded openings. The solid-body construction provides a robust plug configuration, while the square head offers an external wrenching surface for installation and removal.

This product is identified as a 125# leaded brass fitting. Manufacturer dimensional, certification, and material safety documentation is provided below for reference.

Product Highlights

  • 125# brass pipe plug
  • Leaded brass construction
  • Solid body configuration
  • Square head design
  • Male threaded connection
  • Designed to close compatible female-threaded openings
  • External square head provides wrenching surfaces
  • Removable threaded closure
  • Manufacturer fitting dimensions available
  • Manufacturer certification letter available
  • Material Safety Data Sheet available

Technical Specifications

Product Type Square Head Pipe Plug
Pressure Class 125#
Material Brass
Lead Status Leaded
Body Style Solid
Head Style Square Head
Connection Type Male Threaded
Primary Function Closing a Compatible Female-Threaded Opening
Product Documentation Dimensions, Certification Letter, and SDS Available

Solid Square Head Plug Construction

A solid square head plug uses male threads to close a compatible female-threaded fitting, valve, manifold, or equipment port.

The solid-body configuration distinguishes this fitting from a cored plug design, while the external square head provides flat wrenching surfaces for installation and removal.

The threaded construction provides a removable closure that can be reopened later when system access, maintenance, or modification is required.

Why Choose a Solid Square Head Plug?

Threaded Closure

  • Closes a compatible female-threaded opening
  • Provides a removable termination point
  • Useful for unused ports and piping branches
  • Suitable for maintenance and service connections
  • Simple threaded installation

Solid Square Head Design

  • Solid-body configuration
  • External square-shaped head
  • Provides flat wrenching surfaces
  • Supports installation and removal
  • Suitable for compatible threaded piping systems

Solid vs. Cored Square Head Plug

Solid Square Head Plug

  • Solid-body plug construction
  • Male threaded closure
  • Square head wrenching surface
  • Designed to close female-threaded openings
  • This product configuration

Cored Square Head Plug

  • Cored internal body configuration
  • Also uses male threads
  • Square head wrenching surface
  • Performs the same general closure function
  • Different body construction from a solid plug

Pipe Plug vs. Pipe Cap

Pipe Plug

  • Male threaded connection
  • Threads into a female opening
  • Closes the inside of a fitting or port
  • Available in multiple head styles
  • This product is a square head plug

Pipe Cap

  • Female threaded connection
  • Threads over a male pipe or fitting
  • Closes the outside of a threaded connection
  • Provides a removable piping termination
  • Different connection style from a plug

Common Applications

Plumbing & Mechanical Piping

  • Closing unused threaded openings
  • Pipe fitting ports
  • Valve and manifold connections
  • Equipment ports
  • General threaded plumbing assemblies

Industrial & General Service

  • Mechanical piping installations
  • Maintenance and repair work
  • Compatible process piping
  • Utility piping closures
  • Applications requiring a removable male-threaded plug

Installation & Selection Guidance

  • Confirm the required nominal plug size before ordering.
  • Verify male thread compatibility with the mating female-threaded opening.
  • Confirm that a solid square head plug is suitable for the intended installation.
  • Use an appropriate thread sealant for the system media, pressure, and temperature.
  • Apply thread sealant according to the sealant manufacturer's instructions.
  • Use the square head wrenching surfaces during installation.
  • Avoid excessive installation torque.
  • Confirm pressure, temperature, and media compatibility before use.
  • Verify that leaded brass is permitted for the intended application.
  • Installation should comply with applicable piping, plumbing, and project requirements.

Important Material Notice

  • This product is identified as leaded brass.
  • Confirm that leaded fittings are permitted for the intended application before installation.
  • Do not assume this product meets lead-free potable-water requirements.
  • Review the manufacturer certification and material safety documentation for additional information.

Product Documents

Import Brass Leaded Fitting Dimensions

Review manufacturer dimensional information for applicable leaded brass plugs and connection sizes.

View Fitting Dimensions

Import Brass Leaded Fitting Certification Letter

Review manufacturer certification documentation for the import leaded brass fitting product line.

View Certification Letter

Material Safety Data Sheet

Review the supplied material safety documentation for the leaded brass fitting product line.

View Material Safety Data Sheet

Need Help Selecting a 125# Leaded Brass Solid Square Head Plug?

Our industrial PVF specialists can help review your plug size, thread requirements, piping application, and material requirements before you order.

Frequently Asked Questions

What is a solid square head plug used for?

It is used to close a compatible female-threaded fitting, valve, manifold, or equipment opening.

What type of connection does this plug use?

This plug uses a male threaded connection.

Why does the plug have a square head?

The square head provides external flat surfaces for wrench engagement during installation or removal.

What does solid mean?

Solid refers to the body construction of the plug and distinguishes it from a cored square head plug.

How is a solid plug different from a cored plug?

A solid plug uses a solid-body configuration, while a cored plug has an internal cored construction. Both serve the same general threaded closure function.

How is a plug different from a cap?

A plug has male threads and installs into a female-threaded opening. A cap has female threads and installs over a male-threaded pipe or fitting.

What material is this fitting?

The supplied product information identifies this fitting as leaded brass.

What pressure class is this fitting?

The product is identified as a 125# fitting.

Is this fitting lead free?

No. The supplied product information identifies this fitting as leaded.

Where can I find fitting dimensions?

Use the Import Brass Leaded Fitting Dimensions document in the Product Documents section above.

Where can I find certification information?

Use the Import Brass Leaded Fitting Certification Letter in the Product Documents section above.

Is an SDS available?

Yes. A Material Safety Data Sheet is provided in the Product Documents section above.

Important Ordering Notes

  • Product is a 125# leaded brass solid square head plug.
  • Male threaded closure fitting.
  • Solid body configuration.
  • Square head provides wrenching surfaces.
  • Designed to close compatible female-threaded openings.
  • Leaded brass construction.
  • Confirm nominal plug size before ordering.
  • Verify thread compatibility with the mating opening.
  • Confirm pressure, temperature, and media compatibility before use.
  • Verify that leaded material is permitted for the intended application.
  • Refer to the manufacturer dimensional, certification, and SDS documents for additional product information.
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