Ring Nuts | McMaster-Carr

	Material Material

	Finish Finish

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Pipe Size Pipe Size

	Thread Type Thread Type

NPSL

NPT

BSPP

	Eye Diameter Eye Diameter

	Length Length

	Threading Threading


Fully Threaded	Unthreaded

	Vertical Capacity Vertical Capacity

Less than 1,000 lbs.

1,000 to 9,999 lbs.

10,000 to 19,999 lbs.

20,000 to 29,999 lbs.

30,000 lbs. or greater

	Eye Shape Eye Shape

Round

Oval

	For Pipe Material For Pipe Material

	For Use With For Use With

	Thread Pitch Thread Pitch

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

RoHS Compliant

RoHS Compliant with
Exemptions

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

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

REACH Compliant

	Specifications Met Specifications Met

	Hex Width Hex Width

	Maximum Pressure Maximum Pressure

	Height Height

	Width Width

	For Pipe Schedule For Pipe Schedule


40	XXH

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227 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.

Eye Nuts—For Lifting

Create your own lifting eye by adding an eye nut to a stud or bolt.

Threaded Rod Eye Nuts

Add an eye nut to threaded rod to hang the rod from rings, hooks, and hangers.

Metal Pipe and Pipe Fittings

Low-Pressure Stainless Steel Threaded Pipe Fittings

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

Extreme-Pressure Stainless
Steel Threaded Pipe Fittings

Use these fittings in extreme-pressure conditions up to 15,000 psi.

Low-Pressure Brass and Bronze Threaded Pipe Fittings

Use these fittings in low-pressure flow applications. They have good corrosion resistance.

Low-Pressure Plated Brass Threaded Pipe Fittings

Used in low-pressure pipe lines, these brass fittings have a plating that makes them shiny and improves corrosion resistance.

High-Pressure Brass Threaded Pipe Fittings

These brass fittings have the strength to handle high-pressure applications.

Low-Pressure Aluminum Threaded Pipe Fittings

In addition to being lightweight, these aluminum fittings offer good corrosion resistance. Use them in low-pressure flow applications.

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.