Butt Weld Bungs | McMaster-Carr

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	Material Material

Steel

Stainless Steel

	Pipe Size Pipe Size

	Thread Type Thread Type

NPT

BSPT

	Connection Style Connection Style	Show

Butt Weld

	Connection Style Connection Style	Hide

	For Pipe Material For Pipe Material

Stainless Steel

Steel

	Class Class

	Shape Shape

	Straight

	Type Type

	Adapter

	Gender Gender

Female

	For Pipe Schedule For Pipe Schedule


40	80

160	XXH

	For Use With For Use With

	Maximum Pressure Maximum Pressure

	System of Measurement System of Measurement

Inch

	Length Length

	Specifications Met Specifications Met

ASTM

ANSI/ASME

ANSI/MSS

	Connection Type Connection Type

	Pipe

	Fabrication Fabrication

Heat Treated

Forged

	Wall Thickness Wall Thickness

	Construction Construction

Seamless

Welded

	Maximum Steam Pressure Maximum Steam Pressure

	Finish Finish

Black Coated

Galvanized

	Dash Size Dash Size

	Socket Connect Type Socket Connect Type

	Weld

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143 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.

High-Pressure Iron and
Steel Threaded Pipe Fittings

These fittings can stand up to high-pressure applications. Use them in noncorrosive environments.

High-Pressure Galvanized
Steel Threaded Pipe Fittings

A galvanized finish gives these fittings better corrosion resistance than our plain steel high-pressure fittings. Also known as Class 3000 fittings.

Extreme-Pressure Steel
Threaded Pipe Fittings

The strongest steel fittings we offer, these can withstand extreme-pressure applications.

High-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn't need to align perfectly to the pipe. Slide the pipe into the socket and weld.

Stainless Steel Pipe and Pipe Fittings

Low-Pressure Stainless
Steel Threaded Pipe Fittings

Use these corrosion-resistant fittings in a low-pressure pipe line.

Premium Low-Pressure
Stainless Steel Threaded
Pipe Fittings with Certification

Unlike other stainless steel fittings, these are made in the U.S.A. for superior quality. As another marker of quality, they come with a certificate with a traceable lot number and test report that guarantees material composition.

Medium-Pressure Stainless
Steel Threaded Pipe Fittings

Choose these fittings when you want the same high-quality found in our low-pressure pipe fittings, but need more strength to handle higher pressures.

High-Pressure Stainless
Steel Threaded Pipe Fittings

Use these heavy duty, corrosion-resistant fittings in high-pressure flow applications.

High-Pressure
Socket-Connect Stainless
Steel Unthreaded Pipe Fittings

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn't need to align perfectly to the pipe. Slip the pipe into the socket and weld.

Terms and Conditions and Privacy Policy

How to Identify and Measure Fittings

Iron and Steel Pipe and Pipe Fittings

High-Pressure Iron andSteel Threaded Pipe Fittings

High-Pressure GalvanizedSteel Threaded Pipe Fittings

Extreme-Pressure SteelThreaded Pipe Fittings

High-Pressure Socket-ConnectSteel Unthreaded Pipe Fittings

Stainless Steel Pipe and Pipe Fittings

Low-Pressure StainlessSteel Threaded Pipe Fittings

Premium Low-PressureStainless Steel Threaded Pipe Fittings with Certification

Medium-Pressure StainlessSteel Threaded Pipe Fittings

High-Pressure StainlessSteel Threaded Pipe Fittings

High-PressureSocket-Connect Stainless Steel Unthreaded Pipe Fittings