Midland Industries

Lead-Free Brass MIP Countersunk Plug

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  • Lead-Free Brass MIP Countersunk Plug
  • Midland Industries
$0.60 - $6.98

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Description

Lead-Free Brass MIP Countersunk Plug

Lead-Free Brass MIP Countersunk Plugs provide a compact male-threaded closure for sealing or terminating compatible female-threaded pipe, fittings, valves, manifolds, or equipment connections.

The countersunk head design keeps the driving feature recessed within the plug rather than projecting above the fitting, making it useful where a low-profile threaded closure is preferred. Midland Industries lists lead-free countersunk plugs as part of its lead-free pipe fitting line and identifies the connection as male pipe thread. :contentReference[oaicite:0]{index=0}

Product Highlights

  • Lead-free brass construction
  • Male pipe-thread connection
  • MIP threaded plug configuration
  • Countersunk head for a compact, low-profile installation
  • Closes a compatible female-threaded connection
  • Durable and corrosion-resistant brass construction
  • Designed for compatible plumbing and general fluid-handling applications

Technical Specifications

Product Type Countersunk Pipe Plug
Material Lead-Free Brass
Connection Male Pipe Thread (MIP / MPT)
Connection Type Threaded
Head Style Countersunk / Recessed Drive
Mating Connection Compatible Female Pipe Thread
Primary Function Close or Terminate a Female-Threaded Piping Connection

Construction Details

The fitting features a durable lead-free brass body with external male pipe threads and a countersunk head design.

The male threaded portion installs into a compatible female pipe-threaded opening. Unlike a square head plug with a raised wrenching head, the countersunk configuration places the drive feature within the body of the plug for a lower-profile installation.

This compact construction makes countersunk plugs useful for closing unused threaded ports where clearance around the connection is limited or a projecting plug head is undesirable.

Connection Configuration

Male Pipe Thread

The external male pipe-thread connection installs into a compatible female-threaded fitting, valve, manifold, adapter, or equipment port.

Countersunk Head

The recessed head design minimizes projection beyond the threaded opening and provides access for the appropriate installation tool.

How a MIP Countersunk Plug Works

A MIP countersunk plug threads into a compatible female pipe-threaded opening to close the connection.

An appropriate thread-sealing method should be applied to the male pipe threads before installation. The proper drive tool is then used with the recessed head to install the plug.

When removal is required, the piping system should be safely depressurized before the plug is loosened and removed.

Connection Reference

Fitting Style Connection Head Style Function
Plug Male Pipe Thread Countersunk / Recessed Close / Terminate Connection

MIP Countersunk Plug Design

Male Threaded Closure

The male-threaded body installs directly into a compatible female pipe-threaded opening to terminate the connection.

Low-Profile Head

The countersunk head reduces external projection compared with a raised square-head plug, making it useful where a compact finished connection is preferred.

Common Applications

Plumbing & Water Systems

  • Compatible potable-water piping
  • Residential plumbing systems
  • Commercial plumbing systems
  • Water distribution piping
  • Unused female-threaded outlets
  • Pump and equipment connections

Industrial & General Service

  • Agricultural piping systems
  • Construction applications
  • Industrial water systems
  • Valve and manifold ports
  • Maintenance and repair installations
  • Compatible general fluid-handling systems

Lead-Free Brass Benefits

Lead-free brass provides durable construction for plumbing and compatible fluid-handling installations where lead-free fitting materials are required.

The combination of a threaded brass body and recessed countersunk head provides a compact, serviceable way to close compatible female-threaded connections.

Installation & Selection Considerations

  • Confirm the mating component uses a compatible female pipe-thread connection before ordering.
  • Use a thread-sealing method suitable for brass fittings and the intended media.
  • Use the appropriate drive tool for the countersunk head and avoid excessive tightening.
  • Depressurize the system before removing an installed plug.
  • Verify pressure, temperature, media, and lead-free application requirements before installation.
Willy knows his pipe sizes
Ask Willy: Need help selecting a lead-free brass fitting?

Use the Midland Industries catalog to review lead-free brass fitting information, connection styles, dimensional data, and related product details before ordering.

Midland Industries Catalog PDF 

Need Help Selecting a Lead-Free Brass Fitting?

Our plumbing, brass fitting, and industrial product specialists can help review your pipe size, MIP connection requirements, countersunk plug configuration, lead-free material requirements, pressure and temperature requirements, and application before you order.

Frequently Asked Questions

What is a Lead-Free Brass MIP Countersunk Plug?

It is a male-threaded brass closure fitting with a recessed countersunk head used to close a compatible female pipe-threaded connection.

What does MIP mean?

MIP refers to a male pipe-thread connection. The plug installs into a compatible female pipe-threaded opening.

Why use a countersunk plug?

A countersunk plug uses a recessed drive instead of a projecting square head, helping provide a more compact closure where external clearance is limited.

What connects to this plug?

The male-threaded plug installs into a compatible female-threaded fitting, valve, manifold, adapter, or equipment connection.

What is the difference between a plug and a cap?

A plug uses male threads and installs into a female-threaded opening, while a cap uses female threads and installs over a compatible male-threaded connection.

What material is this plug made from?

This countersunk plug features lead-free brass construction.

Should thread sealant be used?

Use a thread-sealing method appropriate for brass pipe-thread connections, the transferred media, and the intended application.

Where can I find additional Midland Industries fitting information?

Use the Midland Industries Catalog PDF linked above to review additional product information, fitting configurations, and related Midland Industries products.

Important Ordering & Installation Notes

  • The fitting uses a male pipe-thread connection.
  • Use with a compatible female pipe-threaded opening.
  • Use the appropriate tool for the countersunk drive configuration.
  • Depressurize the system before removing the installed plug.
  • Verify lead-free, pressure, temperature, and media requirements before use.
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