Butt Weld Bungs | McMaster-Carr

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	Pipe Size Pipe Size

1/8

	Thread Type Thread Type

NPT

BSPT

	Material Material

Steel

Stainless Steel

	Class Class

	For Pipe Material For Pipe Material

Stainless Steel

Steel

	Connection Style Connection Style	Show

Butt Weld

	Connection Style Connection Style	Hide

	Shape Shape

	Straight

	For Pipe Schedule For Pipe Schedule


40	80

160	XXH

	Type Type

	Adapter

	Gender Gender

Female

	For Use With For Use With

	System of Measurement System of Measurement

Inch

	Length Length

	Maximum Pressure Maximum Pressure

	Wall Thickness Wall Thickness

	Specifications Met Specifications Met

ANSI/MSS

ASME

ASTM

	Construction Construction

Seamless

Welded

	Maximum Steam Pressure Maximum Steam Pressure

	Connection Type Connection Type

	Pipe

	Finish Finish

Zinc-Phosphate Coated

Galvanized

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Fabrication Fabrication

Heat Treated

Forged

	Dash Size Dash Size

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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.

How to Identify and Measure Fittings

Iron and Steel Pipe and Pipe Fittings