Pipe Signs | McMaster-Carr

	Green
	Yellow
	Blue
	Orange
	Red
	Black
	Fluorescent Green
	Fluorescent Orange
	Fluorescent Pink
	Fluorescent Red
	Fluorescent Yellow
	Gold
	Gray
	Green/Red/Yellow
	Manila
	Pink
	Purple
	Silver
	White

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

REACH Compliant

	Shape Shape


Rectangle	Square

Circle	Diamond

Hexagon	Octagon

Oval

	Visibility Visibility

Standard

Reflective

Glow-in-the-Dark

	Width Width

	Thickness Thickness

	Height Height

	Character Color Character Color

	Black		White
	Blue		Red
	Yellow		Orange
	Gold

	Character Type Character Type

	Language Language

English

Spanish

English/Spanish

	Message Color Message Color

	White
	Black

	For Minimum Pipe OD For Minimum Pipe OD

1/2"

	For Pipe OD For Pipe OD

	Flow-Direction Arrow Flow-Direction Arrow

Yes

	Maximum Temperature Maximum Temperature

	For Use Outdoors For Use Outdoors

Yes

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3,988 Products

Pipe Markers

Snap-On Pipe Markers

These markers coil around pipes so they stay in place without adhesive.

Made-to-Order Snap-On Pipe Markers

Specify the message you need to label the contents of a pipe. These markers coil around pipes so they stay in place without adhesive.

Write-On Snap-On Pipe Markers

Use a permanent marker to label the contents of a pipe. These markers coil around pipes so they stay in place without adhesive.

Adhesive-Back Pipe Markers

Apply directly onto clean, dry pipes for clear identification of contents.

Made-to-Order Adhesive-Back Pipe Markers

Specify the message you need to label the contents of a pipe. Apply these markers directly onto clean, dry pipes.

Applicators for Adhesive-Back Pipe Markers

Roll adhesive-back pipe markers onto overhead pipe, tube, duct, or conduit without taking a single step up a ladder.

Write-On Adhesive-Back Pipe Markers

Use a permanent marker to label the contents of a pipe. Apply directly onto clean, dry pipes.

Washdown Pipe Markers

These fade-resistant pipe markers withstand detergents used in high-pressure cleaning.

Made-to-Order Washdown Pipe Markers

Specify the message you need to label a pipe. These fade-resistant pipe markers withstand detergents used in high-pressure cleaning.

Write-On Washdown Pipe Markers

Use a permanent marker to label the contents of a pipe. These fade-resistant pipe markers withstand detergents used in high-pressure cleaning.

Reflective Pipe Markers

Identify pipe contents in low-light conditions.

Made-to-Order Reflective Pipe Markers

Specify the message you need to label the contents of a pipe in low-light conditions.

Write-On Reflective Pipe Markers

Use a permanent marker to label the contents of a pipe. They are reflective so they improve visibility in low-light conditions.

Corrosion-Resistant Pipe Markers

Engrave a message and then permanently affix the markers to pipes. Made of stainless steel, these markers withstand heat, chemicals, and corrosion so they are ideal for harsh environments.

Tie-On Cable Markers

Slide individual markers onto a plate, then attach the plate to a cable using ties.

Blank Plates

Choose-a-Color Metal Engraving and Stamping Plates

Identify equipment, enclosures, or other areas at a glance.

Write-On Plates

These plates have a smudge proof surface that you can write on with permanent marker.

Tie-On Metal Engraving and Stamping Plates

Use the holes in all four corners to bundle or tie these plates to equipment when bolting isn’t an option.

Embossing Plates

These plates are thin enough for embossing, which produces raised characters similar to a license plate. This is useful in washdown applications where engraved or stamped impressions may fill with water or wear away.

Metal Engraving and Stamping Plates

Metal plates are more durable than plastic plates.

Engraving and Stamping Tags

Plastic Engraving Tags

Plastic tags withstand mild acids and are more corrosion resistant than metal tags.

Choose-a-Color Metal Engraving and Stamping Tags

Color code equipment and inventory.

Metal Engraving and Stamping Tags

Identify equipment by engraving or stamping one of these sturdy metal tags and hanging it with a wire.

Write-On Tags

Light Duty Cardstock Write-On Tags

Use these light duty tags when durability and tear resistance isn't a concern. They're about half the size of our other cardstock tags.

Color-Coding Tear-Off Plastic Write-On Tags

Made of polypropylene, these water- and chemical-resistant tags have perforated green, yellow, and red sections that can be quickly torn off to show when the status of an item or project changes. Write on them with a permanent marker.

Smudge-Resistant Cardstock Write-On Tags

These tags have a matte surface so writing won't smudge or rub off accidentally.

Metal-Detectable Cardstock Write-On Tags

Label totes, ingredient bags, racks, and other items to keep your food processing plant organized. These tags are laminated with aluminum, so they’ll set off metal detectors if they fall into your line.

Metal- and X-Ray Detectable Plastic Write-On Tags

Label devices, machines, and other equipment around your food processing plant while reducing the risk of contaminating the food.

Cardstock Write-On Tags with Dispenser

Keep tags clean and organized in a dispenser box. Tear them off the perforated roll when ready to use.

Dry-Erase Plastic Write-On Tags

Write on these tags using a dry erase marker, then wipe away writing with a dry cloth when you need a new message. Tags are vinyl.

Cardstock Write-On Tags

A fiber grommet provides tear resistance when hanging these tags.

Chemical-Resistant Plastic Write-On Tags

Made of Tyvek, these tags withstand mild acids and alkalies. Write on them with a permanent marker.

Plastic Write-On Tags

Tags are vinyl. Write on them with a permanent marker.

Metal Write-On Tags

Tags are corrosion-resistant stainless steel so they hold up in harsh environments. Write on these tags with a permanent marker.

Weather-Resistant Cardstock Write-On Tags

An aluminum laminate protects these tags for outdoor use. Writing on these tags will leave impressions that are visible, even if the ink wears away.

Color-Coding Tear-Off Cardstock Write-On Tags

These tags have perforated green, yellow, and red sections that can be torn off to visually indicate when the status of an item or project changes.

Smudge-Resistant Plastic Write-On Tags

These tags have a matte surface so writing won't smudge or rub off accidentally. Write on them with a permanent marker.

Measuring and Inspecting

Contour Transfers

Transfer contours, patterns, and shapes for applications such as fitting floor tile and installing pipe insulation.

Pipe Contour Transfers

Probes take the shape of a pipe joint so you can transfer the exact outline to the pipe before you cut.

Pipe Contour Transfer Markers

Lay out pipe and structural steel for any type or size of pipe fitting—elbows, tees, and wyes of all angles.

Center-Locating Punches for Curved Surfaces

Locate and mark the centerline on rods, tubes, and pipes, lay out keyways, and establish angles for connections.

Pipe Size Rulers

Measure outer diameter and mark lines around pipe.

Adhesive-Back Characters

Glow-in-the-Dark Adhesive-Back Characters

Expose these characters to ambient light and they stay visible in the dark.

Quick-Align Adhesive-Back Characters

Choose only the characters you need.

Adhesive-Back Character Sets

Choose a range of characters.

Quick-Align Adhesive-Back Character Sets

Choose a range of characters.

Reflective Adhesive-Back Characters

Choose only the characters you need.

Easy-Install Adhesive-Back Character Sets

These sets come already aligned on a sheet that peels away to ensure even spacing.

Reflective Adhesive-Back Character Sets

Choose a range of characters.

Adhesive-Back Characters

Choose only the characters you need.

Laminated Adhesive-Back Character Sets

Choose a range of characters.

Made-to-Order Adhesive-Back Character Messages

Specify the messages you want and they come already aligned on a sheet that peels away to ensure even spacing.