Close Nipples | McMaster-Carr

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429 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Standard-Wall Steel Threaded
Pipe Nipples and Pipe

Also known as Schedule 40, this steel pipe is designed for low-pressure applications.

Standard-Wall Steel Threaded
Pipe Nipples and Pipe with Sealant

For extra leak protection in low-pressure lines, the threads of this Schedule 40 pipe have sealant already applied.

Standard-Wall Steel Threaded
Pipe Nipple and Pipe Assortments

Assortments contain threaded pipe in various lengths.

Low-Pressure Iron and Steel Threaded Pipe Fittings

Use these fittings for low-pressure applications in noncorrosive environments.

Standard-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe

Made of galvanized steel, this Schedule 40 pipe has fair corrosion resistance and is designed for low-pressure applications.

Standard-Wall Galvanized Steel Threaded
Pipe Nipples and Pipe with Sealant

The acrylic sealant on this pipe offers extra protection against leaks. Also known as schedule 40 pipe, this pipe is designed for use in low-pressure environments.

Standard-Wall Galvanized Steel Threaded
Pipe Nipple and Pipe Assortments

Assortments contain threaded pipe in various lengths.

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.

Thick-Wall Steel Threaded Pipe Nipples and Pipe

Typically used with medium-pressure iron and steel threaded pipe fittings. Also known as Schedule 80.

Thick-Wall Galvanized Iron and Steel
Threaded Pipe Nipples and Pipe

Typically used with medium-pressure galvanized iron and steel threaded pipe fittings. Also known as Schedule 80.

Extra-Thick-Wall Steel Threaded
Pipe Nipples and Pipe

Typically used with high-pressure iron and steel threaded pipe fittings. Also known as Schedule 160.

Extra-Thick-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe

Typically used with high-pressure galvanized iron and steel threaded pipe fittings. Also known as Schedule 160.

Super-Thick-Wall Steel
Threaded Pipe Nipples and Pipe

Typically used with extreme-pressure iron and steel threaded pipe fittings. Also known as Schedule XXH.

Stainless Steel Threaded Pipe and Pipe Fittings

Standard-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

Typically used with low-pressure stainless steel threaded pipe fittings.

Standard-Wall Stainless Steel Threaded
Pipe Nipple and Pipe Assortments

Keep a variety of lengths of pipe and pipe nipples on hand for areas where corrosion is a concern.

Standard-Wall Stainless Steel Threaded
Pipe Nipples and Pipe with Sealant

Typically used with low-pressure stainless steel threaded pipe fittings.

Thick-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

Typically used with medium- to high-pressure stainless steel threaded pipe fittings.

Brass and Bronze Threaded Pipe and Pipe Fittings

Standard-Wall Brass Threaded
Pipe Nipples and Pipe

Typically used with low-pressure brass and bronze threaded pipe fittings.

Standard-Wall Brass Threaded
Pipe Nipple and Pipe Assortments

Keep various lengths of brass pipe on hand for applications requiring good corrosion resistance.

Standard-Wall Brass Threaded
Pipe Nipples and Pipe with Sealant

Typically used with low-pressure brass and bronze threaded pipe fittings.

Standard-Wall Chrome-Plated Brass
Threaded Pipe Nipples and Pipe

Typically used with low-pressure brass and bronze threaded pipe fittings.

High-Pressure Plated Brass
Threaded Pipe Nipples and Pipe

Typically used with high-pressure brass and bronze threaded pipe fittings.

High-Pressure Brass Threaded
Pipe Nipples and Pipe

Typically used with high-pressure brass and bronze threaded pipe fittings.

High-Pressure Brass Threaded
Pipe Nipples and Pipe with Sealant

Typically used with high-pressure brass and bronze threaded pipe fittings.

High-Pressure Brass Threaded Pipe
Nipples and Pipe for Drinking Water

Typically used with high-pressure brass and bronze threaded pipe fittings.

Precision Extreme-Pressure
Brass Threaded Pipe Fittings

Also known as instrumentation fittings, these have the most precise threads and the tightest tolerances of all the brass pipe fittings we offer.

Thick-Wall Brass Threaded Pipe Nipples and Pipe

Typically used with medium-pressure brass and bronze threaded pipe fittings.

Aluminum Threaded Pipe and Pipe Fittings

Standard-Wall Aluminum
Threaded Pipe Nipples and Pipe

Typically used with low-pressure aluminum threaded pipe fittings.

Thick-Wall Aluminum Threaded
Pipe Nipples and Pipe

Typically used with high-pressure aluminum threaded pipe fittings.

Standard-Wall Copper-Nickel Threaded Pipe Nipples and Pipe

Standard-Wall Copper-Nickel
Threaded Pipe Nipples and Pipe

Also called close nipples, these Schedule 40 nipples are threaded on both ends to the center.

Plastic Pipe and Pipe Fittings

Thick-Wall Plastic Pipe for Water

Connect to thick-wall plastic pipe fittings for use in heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. Pipe can handle pressures up to 900 psi.

Clear-View Thick-Wall Plastic Pipe for Water

See what’s flowing through your line with this clear pipe. Since it’s Schedule 80, this pipe has thicker, stronger walls than standard-wall pipe, so you can use it for heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation.

CPVC Pipe for Hot Water

Connect to CPVC pipe fittings for use in high-temperature plumbing and water supply applications up to 170° or 200° F.

High-Temperature PTFE Pipe
Nipples and Pipe for Chemicals

This PTFE pipe can withstand a wider temperature range than any of our other plastic pipe for chemicals. It is commonly used in high-purity chemical flow processes, such as semiconductor and clean room applications.

How to Identify and Measure Fittings

Iron and Steel Threaded Pipe and Pipe Fittings

Standard-Wall Steel ThreadedPipe Nipples and Pipe

Standard-Wall Steel ThreadedPipe Nipples and Pipe with Sealant

Standard-Wall Steel ThreadedPipe Nipple and Pipe Assortments

Low-Pressure Iron and Steel Threaded Pipe Fittings

Standard-Wall Galvanized SteelThreaded Pipe Nipples and Pipe

Standard-Wall Galvanized Steel ThreadedPipe Nipples and Pipe with Sealant

Standard-Wall Galvanized Steel ThreadedPipe Nipple and Pipe Assortments

Low-Pressure Galvanized Ironand Steel Threaded Pipe Fittings

Thick-Wall Steel Threaded Pipe Nipples and Pipe

Thick-Wall Galvanized Iron and SteelThreaded Pipe Nipples and Pipe

Extra-Thick-Wall Steel ThreadedPipe Nipples and Pipe

Extra-Thick-Wall Galvanized SteelThreaded Pipe Nipples and Pipe

Super-Thick-Wall SteelThreaded Pipe Nipples and Pipe

Stainless Steel Threaded Pipe and Pipe Fittings

Standard-Wall Stainless SteelThreaded Pipe Nipples and Pipe

Standard-Wall Stainless Steel ThreadedPipe Nipple and Pipe Assortments

Standard-Wall Stainless Steel ThreadedPipe Nipples and Pipe with Sealant

Thick-Wall Stainless SteelThreaded Pipe Nipples and Pipe

Brass and Bronze Threaded Pipe and Pipe Fittings

Standard-Wall Brass ThreadedPipe Nipples and Pipe

Standard-Wall Brass ThreadedPipe Nipple and Pipe Assortments

Standard-Wall Brass ThreadedPipe Nipples and Pipe with Sealant

Standard-Wall Chrome-Plated BrassThreaded Pipe Nipples and Pipe

High-Pressure Plated BrassThreaded Pipe Nipples and Pipe

High-Pressure Brass ThreadedPipe Nipples and Pipe

High-Pressure Brass ThreadedPipe Nipples and Pipe with Sealant

High-Pressure Brass Threaded PipeNipples and Pipe for Drinking Water

Precision Extreme-PressureBrass Threaded Pipe Fittings

Thick-Wall Brass Threaded Pipe Nipples and Pipe

Aluminum Threaded Pipe and Pipe Fittings

Standard-Wall AluminumThreaded Pipe Nipples and Pipe

Thick-Wall Aluminum ThreadedPipe Nipples and Pipe

Standard-Wall Copper-Nickel Threaded Pipe Nipples and Pipe

Standard-Wall Copper-NickelThreaded Pipe Nipples and Pipe

Plastic Pipe and Pipe Fittings

Thick-Wall Plastic Pipe for Water

Clear-View Thick-Wall Plastic Pipe for Water

CPVC Pipe for Hot Water

High-Temperature PTFE PipeNipples and Pipe for Chemicals

Standard-Wall Steel Threaded
Pipe Nipples and Pipe

Standard-Wall Steel Threaded
Pipe Nipples and Pipe with Sealant

Standard-Wall Steel Threaded
Pipe Nipple and Pipe Assortments

Standard-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe

Standard-Wall Galvanized Steel Threaded
Pipe Nipples and Pipe with Sealant

Standard-Wall Galvanized Steel Threaded
Pipe Nipple and Pipe Assortments

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

Thick-Wall Galvanized Iron and Steel
Threaded Pipe Nipples and Pipe

Extra-Thick-Wall Steel Threaded
Pipe Nipples and Pipe

Extra-Thick-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe

Super-Thick-Wall Steel
Threaded Pipe Nipples and Pipe

Standard-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

Standard-Wall Stainless Steel Threaded
Pipe Nipple and Pipe Assortments

Standard-Wall Stainless Steel Threaded
Pipe Nipples and Pipe with Sealant

Thick-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

Standard-Wall Brass Threaded
Pipe Nipples and Pipe

Standard-Wall Brass Threaded
Pipe Nipple and Pipe Assortments

Standard-Wall Brass Threaded
Pipe Nipples and Pipe with Sealant

Standard-Wall Chrome-Plated Brass
Threaded Pipe Nipples and Pipe

High-Pressure Plated Brass
Threaded Pipe Nipples and Pipe

High-Pressure Brass Threaded
Pipe Nipples and Pipe

High-Pressure Brass Threaded
Pipe Nipples and Pipe with Sealant

High-Pressure Brass Threaded Pipe
Nipples and Pipe for Drinking Water

Precision Extreme-Pressure
Brass Threaded Pipe Fittings

Standard-Wall Aluminum
Threaded Pipe Nipples and Pipe

Thick-Wall Aluminum Threaded
Pipe Nipples and Pipe

Standard-Wall Copper-Nickel
Threaded Pipe Nipples and Pipe

High-Temperature PTFE Pipe
Nipples and Pipe for Chemicals