Steel Pipe Nuts | McMaster-Carr

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	Material Material

Steel

	For Tube Material For Tube Material

Steel

	Pipe Size Pipe Size

	Thread Type Thread Type

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Finish Finish

	Type Type

Locknut

Nut

	Nut Type Nut Type


Panel	Hex

Tube End

	For Tube OD For Tube OD

	For Use With For Use With

	Height Height

	For Pipe Material For Pipe Material

Steel

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	Connection Style Connection Style

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Length Length

	Width Width

	Thread Direction Thread Direction


Right Hand	Left Hand

	Specifications Met Specifications Met

	For Minimum Tube ID For Minimum Tube ID

	Connection Type Connection Type

	Pipe
	Tube

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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About Nuts, Materials, and Finishes

Low-Pressure Iron and Steel Threaded Pipe Fittings

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

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.

Extreme-Pressure Steel Threaded Pipe Fittings

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

Nuts for 37° Flared Fittings for Steel Tubing

Use these nuts with a sleeve and fitting to provide a tight metal-to-metal seal on steel tubing that is flared to 37°.

Nuts for Compression Fittings for Steel Tubing

Use these nuts with compression sleeves and fittings, also known as bite fittings, to create a strong seal on steel tubing.

Nuts for High-Pressure Compression
Fittings for Steel Tubing

Pair these nuts with compression sleeves and high-pressure fittings. They withstand about twice as much pressure as nuts for standard compression fittings, so they’re good for hydraulic power applications.

Nuts for Vibration-Resistant
Compression Fittings for Steel Tubing

Nuts for O-Ring Face Seal Fittings for Steel Tubing

Nuts for Yor-Lok Fittings for Steel Tubing

Locknuts for Metal Conduit Fittings

Secure threaded metal conduit fittings to a knockout in an outlet box or enclosure.

Nuts

Steel Hex Panel Nuts

These steel panel nuts are zinc plated for corrosion resistance.

Knurled Panel Nuts

These panel nuts are knurled to provide a secure grip for tightening and loosening by hand.

Tube-Connecting Nuts

Create strong joints in round tubes.

Tube-End Weld Nuts

About half the strength of medium-strength steel coupling nuts, these metric nuts are for light duty fastening applications.

Left-Hand Threaded Tube-End Weld Nuts

Use these tube-end weld nuts with left-hand threaded fasteners.