Iron Barriers | McMaster-Carr

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	Pipe Size Pipe Size

1/4
3/8
1/2
3/4
1
1 1/4
1 1/2
2
2 1/2
3
3 1/2
4
5
6
8

	Thread Type Thread Type

BSPT

NPT

	Type Type

	Plug		Cap

	Material Material	Show

Iron

	Material Material	Hide

	Finish Finish

	Drive Style Drive Style

	External Square
	Square
	External Slotted

	For Pipe Material For Pipe Material

Galvanized Steel

Steel

	For Pipe Schedule For Pipe Schedule


40	80

	Connection Style Connection Style

Threaded

Clamp On

Claw

	For Use With For Use With

	Shape Shape

	Cap/Plug

	Class Class

125

150

300

	Gender Gender

Male

Female

	Maximum Pressure Maximum Pressure

	Connection Type Connection Type


Pipe	Hose

	Length Length

	Specifications Met Specifications Met

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

DFARS Specialty Metals
COTS-Exempt

	Maximum Steam Pressure Maximum Steam Pressure

	Plug Construction Plug Construction

Solid

Hollow

	Component Component


Base	Wire Gripper

	Body Shape Body Shape

	Square

	Weight Weight

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120 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.

Build-Your-Own No-Drill Railings

Combine bases, rails, gates, and toeboards to create a barrier customized to your needs. Base is weighted to allow installation without drilling holes.

Chain Link Fencing

Pipe, Tubing, Hose, and Fittings

Twist-Claw Hose Couplings for Air and Water

Couplings have an identical claw-style head that connects to another twist-claw hose coupling with a quarter twist.

Grooved-End Iron Pipe Fittings

The grooved ends on these iron fittings connect to pipe with a clamp to easily install piping systems.

Medium-Pressure Iron and Steel Threaded Pipe Fittings

For use in noncorrosive environments, these fittings have better strength than our low-pressure iron and steel pipe fittings.

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.

Low-Pressure Iron and Steel Threaded Pipe Fittings

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

Medium-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

A galvanized finish gives these fittings fair corrosion resistance. They have the strength to handle medium-pressure applications.

How to Identify and Measure Fittings

Build-Your-Own No-Drill Railings

Build-Your-Own No-Drill Railings

Chain Link Fencing

Chain Link Fencing

Pipe, Tubing, Hose, and Fittings

Twist-Claw Hose Couplings for Air and Water

Grooved-End Iron Pipe Fittings

Medium-Pressure Iron and Steel Threaded Pipe Fittings

Low-Pressure Galvanized Ironand Steel Threaded Pipe Fittings

Low-Pressure Iron and Steel Threaded Pipe Fittings

Medium-Pressure Galvanized Ironand Steel Threaded Pipe Fittings

Low-Pressure Cast Iron Threaded Pipe Fittings

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

Medium-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings