Pipe Covers | McMaster-Carr

	Black
	White
	Red
	Yellow
	Silver
	Clear
	Gray
	Orange
	Blue
	Peach
	Beige
	Brown
	Pink
	Dark Blue
	Dark Brown
	Dark Green
	Dark Red
	Light Brown
	Light Gray
	Off-White
	Semi-Clear
	Tan
	Green
	Maroon
	Purple

	For Pipe Size For Pipe Size

1/16
1/8
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
10
12
14
16
18
20

	Cap Type Cap Type


Push On	Stretchable

Adhesive Back	Screw On

Snap On	Shrink Fit

	Profile Profile


Straight	Tapered

	Maximum Temperature Maximum Temperature

	ID ID

	Inside Height Inside Height

	For ID For ID

	Plug Type Plug Type


Snap In	Push In

Screw In	Expandable

Pull Through	Tamper Evident

	Flexibility Flexibility

Flexible

Rigid

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

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

RoHS Compliant

RoHS Compliant with
Exemptions

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

REACH Compliant

	Wall Thickness Wall Thickness

	For Use On For Use On

	Tube Style Tube Style

Slit

Unslit

	Minimum Temperature Minimum Temperature

View catalog pages (33)

Forward

How can we improve?

3,068 Products

Caps

Round Caps

Slide these flexible vinyl caps on and they conform for a snug fit.

Metal Round Caps

More durable than plastic caps, these provide the most protection from abrasion and impact.

Heavy Duty Round Caps

Made of rigid plastic, these caps are more wear resistant than vinyl caps but not as flexible.

Domed Round Caps

The large domed head extends beyond the diameter of your pipe, rod, or tubing for added protection.

Tethered Round Caps

The tethered design allows frequent access to the ends of pipe, tubing, and other round objects without ever misplacing the cap.

Sure-Grip Round Caps

A long, textured pull tab provides a sure grip for quick removal even when wearing gloves.

Hanging Round Caps

Slide these caps over a tool handle or other round object and use the eye to hang it.

Roll-Resistant Round Caps

Commonly used on shipping tubes, these caps have a square head to prevent round objects from rolling during shipping and storage.

Chemical-Resistant Round Caps

These caps have excellent chemical resistance for masking parts during chemical finishing applications such as plating and anodizing.

Food Industry Round Caps

Made of FDA listed materials, these caps are suitable for food contact.

High-Temperature Round Caps

Good for electroplating, paint baking, and powder-coating applications, these caps withstand temperatures up to 440° F or 570° F.

Conductive Round Caps

With a surface resistivity of less than 10⁵ ohms, these caps not only dissipate electrical charges, but can be used as an electrical shield.

Antistatic Round Caps

Keep equipment safe from electrical currents with these caps that have a surface resistivity of less than 10¹² ohms.

Tapered Caps

These flexible plastic caps are tapered to fit a variety of unthreaded and threaded objects.

Tapered Cap Assortments

Keep tapered caps of various sizes on hand to solve whatever problems arise. These flexible plastic caps are tapered to fit a variety of unthreaded and threaded objects.

High-Temperature Tapered Caps

Made of silicone, these caps withstand temperatures of 450° F for electroplating, paint-baking, and powder-coating applications. All of these flexible caps are tapered to fit a variety of unthreaded and threaded objects.

Square Caps

Slide these flexible vinyl caps on and they conform for a snug fit.

Heavy Duty Square Caps

Made of rigid plastic, these caps are more wear resistant than vinyl caps but not as flexible.

Heavy Duty Angle Caps

Made of rigid plastic, these caps provide more wear resistance to the ends of angle iron than vinyl caps but are not as flexible.

Rectangular Caps

Slide these flexible vinyl caps onto rectangular objects and they conform for a snug fit.

Angle Caps

Place these flexible vinyl caps over the ends of your angle iron and they conform for a snug fit.

Corner Caps

Guard the corners of fragile materials such as glass and mirrors.

Stretchable Elastic Caps

Similar to a shower cap, these caps have an elastic band that allows them to stretch and cover a variety of shapes in a range of sizes.

Stretchable Sealing Caps

Create an airtight seal around the tips of bottles and containers.

Threaded Caps

Protect externally threaded components from contaminants during fabrication and storage.

Tear-Tab Caps

Push these caps onto pipe and fittings, then tear their tab to break the seal for easy removal.

Propane Tank Tear-Tab Caps

Designed for propane tanks such as those on forklifts and grills, these caps protect tank valves during storage and transit. Push the caps onto the valves, then tear their tab to break the seal for easy removal.

Flexible Pull-Tab Caps

Slide these flexible vinyl caps on and they conform for a snug fit. Pull the tab for easy removal.

High-Visibility Pull-Tab Caps

A vibrant yellow color makes these caps stand out. They are made of flexible rubber that conforms for a snug fit. Pull the tab for easy removal.

Squeeze Top Caps

Squeeze the dome top to remove these caps. They're commonly used as thread protectors.

Heat-Shrink Round Caps

Permanently seal pipe, tubing, conduit, and even crimped electrical connections. Slide these flexible caps on and use a heat gun to tightly shrink them to the shape of whatever they are covering. Their outer surface shrinks while the inner wall flows into voids to create a sealed connection.

Flange Caps

Adhesive-Back Flange Caps

Stick these caps on the raised surfaces of flanges or other flat surfaces for extra protection during transport and storage.

Stretchable Flange Caps

Stretch these caps over flared edges such as flanged tubing and valve handles.

Flange Caps

Snap these caps into flange bolt holes to safeguard pipe flanges during shipping, storing, and finishing applications. They all have a thick center pad to protect the flange opening and pipe threads from damage.

SAE Flange Caps

Protect SAE hydraulic flanges during shipping, storing, and finishing applications.

Fastener Caps

Threaded Standoff Caps

Give open-ended standoffs a finished look and protect them from dirt and debris.

Screw Caps

Conceal and protect the tops of socket head or button head screws.

Hinged Fastener Caps

A one-piece hinged design allows frequent access to screw heads without misplacing the top. To conceal and protect the entire screw head, insert your screw through the hole in the base and flip the hinged top over.

Snap-On Fastener Caps

To conceal and protect the entire screw head, insert your screw through the hole in the base and snap on the top.

Rebar Caps

Keep personnel safe from protruding rebar and pipe. Made of rigid plastic, these durable safety caps are bright orange or yellow for excellent visibility.

Round Plugs

Snap-In Round Plugs

Flexible ridges or straps hold these plugs in place and allow them to fit a range of hole diameters.

Conductive Round Plugs

With a surface resistivity of less than 10⁵ ohms, these plugs not only dissipate electrical charges, but can be used as an electrical shield.

Round Plugs

The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes.

Antistatic Round Plugs

Keep equipment safe from electrical currents with these plugs that have a surface resistivity of less than 10¹² ohms.

Sealing Plugs

With a compressible flanged top, these plugs are designed to seal the ends of copper tubing often used in water supply lines, refrigerant lines, and HVAC compressors. All are sized to fit standard copper tube dimensions.

Threaded Round Plugs for NPT Pipe

Protect internally threaded NPT connections from contaminants during fabrication and storage.

High-Temperature Round Plugs for NPT Pipe

These plugs withstand temperatures up to 600° F to protect internally threaded NPT connections from contaminants during electropainting, paint baking, and powder coating applications.

Threaded Round Plugs for Straight-Thread Pipe

Seal tube and hose fittings to keep their straight threads protected from contaminants during fabrication and storage.

Threaded Round Plugs for BSPT Pipe

Safeguard internally threaded BSPT connections from contaminants during fabrication and storage.

Threaded Round Plugs for 37° Flared Tube

Designed to fit into 37° flared connections such as those found on JIC and SAE fittings, these plugs protect internally threaded connections from contaminants during fabrication and storage.

Pull-Tab Round Plugs

A time-saving alternative to threaded plugs, these plugs press in place and have an ergonomic pull tab for quick and easy removal. Use them to temporarily protect holes in objects from contaminants during storage, painting, and light fabrication.

Flanged Pull-Through Round Plugs

Designed with a flange, these plugs protect countersunk holes during anodizing, electroplating, paint baking, and powder-coating applications. All withstand temperatures up to 600° F. Use the smaller end of the plug to pull the larger end into a through hole to form a tight seal.

Miniature Pull-Through Round Plugs

Also known as mouse tails, these tiny plugs fit through-hole IDs as small as 0.022”, 0.025", or 0.03”.

High-Temperature Pull-Through Round Plugs

Good for electroplating, paint baking, and powder-coating applications, these plugs withstand temperatures up to 600° F. To form a tight seal, use the smaller end of the plug to pull the larger end into a through hole.

Chemical-Resistant Pull-Through Round Plugs

These plugs have excellent chemical resistance for masking parts during chemical finishing applications such as plating and anodizing. Use the smaller end of the plug to pull the larger end into a through hole to form a tight seal.

Tapered Plugs

Hollow Tapered Plugs

The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes of varying diameters.

Hollow Tapered Plug Assortments

Keep hollow tapered plugs of various sizes on hand to solve whatever problems arise. The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes of varying diameters.

Tapered Plugs

Often used as laboratory stoppers, these rubber plugs have good impact and abrasion resistance. They’re tapered to fit a range of hole diameters.

Expandable Tapered Plugs

Place a plug into an opening and tighten the wing nut—the sides expand to create a seal in holes of varying diameters.

Pull-Ring Tapered Plugs

Pull the two built-in rings to quickly remove these plugs. All are tapered to fit a range of hole diameters.

Corks

Lightweight and moisture resistant, these plugs are laboratory-grade 100% natural cork. They’re tapered to fit a range of hole diameters.

Miniature Tapered Plugs

Sized to fit small openings, these tiny plugs fit snugly but can be removed easily using the flange. Their tapered design fits a range of hole diameters.

Tamper-Evident Tapered Plugs

Often used on gas cylinders, these plugs cinch and lock tightly around valve heads to block the ports—they must be cut off making it clear if the cylinder has been tampered with. The plugs are tapered to fit a range of hole diameters.

Chemical-Resistant Tapered Plugs

These plugs have excellent chemical resistance for masking parts during chemical finishing applications such as plating and anodizing. Their tapered design fits a range of hole diameters.

Expandable High-Temperature Tapered Plugs

Place a plug into an opening and tighten the wing nut—the sides expand to create a seal in holes of varying diameters. Good for paint baking and powder-coating applications, these plugs withstand temperatures up to 450° F.

Miniature High-Temperature Tapered Plugs

Sized to fit small openings, these tiny plugs fit snugly but can be removed easily using the flange. They withstand temperatures up to 470° F, which makes them good for electroplating, paint baking, and powder-coating applications. All are tapered to fit a range of hole diameters.

High-Temperature Tapered Plugs

Good for electroplating, paint baking, and powder-coating applications, these plugs withstand temperatures up to 570° F. All are tapered to fit a range of hole diameters.

Hollow High-Temperature Tapered Plugs

The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes of varying diameters. Good for electroplating, paint baking, and powder-coating applications, they withstand temperatures up to 450° F.

Food Industry Tapered Plugs

Made of FDA listed materials, these plugs are suitable for food contact. They're tapered to fit a range of hole diameters.

Square Plugs

Snap-In Square Plugs

Flexible ridges or straps hold these plugs in place.

Push-In Square Plugs

Push these plugs into an opening and friction holds them in place.

Metal Square Plugs

More durable than plastic plugs, these provide the most protection from abrasion and impact. Use them to eliminate sharp edges and create a finished look on metal fence and machine-guard posts. Drive them in place with a hammer for a secure fit.

Domed Square Plugs

Often used on metal furniture, these plugs provide a finished look on posts and tubes. Snap them into place and their flexible ridges will provide a secure grip.

Rectangular Plugs

Snap-In Rectangular Plugs

Flexible ridges securely hold these plugs in place and allow them to fit a range of hole sizes.

Push-In Rectangular Plugs

Push these plugs into an opening and friction holds them in place.

Pipe Insulation

Economical Flexible Polyethylene Foam Pipe Insulation

Less flexible than rubber foam, this insulation restricts absorption of water, air, and gas. It is typically used in plumbing applications

Flexible Rubber Foam Pipe Insulation

Soft and easy to install, this insulation restricts absorption of water, air, and gas. It is often used on cold and hot water lines and refrigeration lines.

Tear-Resistant Silicone Foam Pipe Insulation

Even at high temperatures, these tubes remain flexible to stretch over components without tearing. They restrict absorption of water, air, and gas and are typically used on hot and cold water lines and electrical components.

ADA-Compliant Hot Water Pipe Cover Kits

These kits insulate one P-trap and two stop valves to reduce the risk of burns from accidental contact with hot pipes under your sink. The molded, flexible pipe covers are ADA compliant when properly installed.

ADA-Compliant Hot Water Pipe Covers

Reduce the risk of burns from accidental contact with hot pipes under your sink. These molded, flexible pipe covers are ADA compliant when properly installed.

Fiberglass Pipe Insulation

This common insulation material is typically used on hot and cold water lines and in process piping.

Lightweight Melamine Foam Pipe Insulation

Melamine has a lightweight construction that allows quick and easy installation. Use on cold and hot water piping and with refrigeration systems.

Mineral Wool Pipe Insulation

Rigid and flame resistant, these insulation tubes are typically used in process piping and mechanical systems.

Clean Room Melamine Foam Pipe Insulation

These rigid, lightweight melamine foam tubes are wrapped in an ISO Class 5 and Fed. Spec. Class 100 clean room jacket that is suitable for sanitary and washdown applications. They’re typically used on cold and hot water piping and with refrigeration systems.

Chemical-Resistant Cellular Glass Pipe Insulation

Very rigid with a 0% water absorption rate, this insulation is unaffected by corrosive environments, organic solvents, and most acids. It is typically used in chemical-processing systems and underground lines.

Quick-Install Fiberglass Pipe Insulation

Hook-and-loop fasteners make it easy to install, remove, and reuse this flexible insulation. Use on steam, hot water, and process pipes and fittings.

High-Strength Basalt Pipe Insulation

Superior in strength and durability, these thin strips insulate as well as protect personnel from accidental contact with hot pipes. Use for exhaust, hot water, and process pipes.

High-Temperature Ceramic Fiber Pipe Insulation

Shield against extreme heat with these flexible ceramic strips. They are often used to insulate hose, cables, and process piping.

Ultra-Thin Aerogel Pipe Insulation

Lightweight and super thin, these fiber-reinforced silica aerogel sheets and strips flex into tight spaces other insulation can't. Use on process piping and in power-generating applications.

Ultra-Insulating Low-Temperature
Polyisocyanurate Foam Pipe Insulation

This very rigid insulation offers the lowest heat-flow rate of our pipe insulation and restricts absorption of water, air, and gas. It is typically used in process piping and chiller plants and performs best in applications below 50° F.

Ultra-Thin Low-Temperature Aerogel Pipe Insulation

Able to withstand temperatures as low as -290° F, these super-thin, lightweight sheets are made of fiber-reinforced silica aerogel that can flex into tight spaces other insulation can't. Use in process piping and power-generating applications.

Plastic Pipe Insulation Jacketing

Protect insulation from light impact and moisture with this durable PVC jacketing.

Metal Pipe Insulation Jacketing

Guard insulation from heavy impact and chemical exposure. This metal jacketing is corrosion resistant and often used outdoors.

Pipe Insulation Banding

Save installation time with banding that’s ready to use. It has an easy-to-close fastener on one end.

Pipe Condensation-Reducing Rubber Strips

Wrap pipes, tubing, and fittings to prevent condensation from forming. These strips are for use on copper, iron, and steel.

Pipe Condensation-Reducing Coatings

Prevent condensation from forming on refrigeration and air conditioning lines and cold‐water piping.

Pipe Insulation Coatings

An alternative to jacketing, these coatings create a vapor barrier and protect from conditions outdoors. They are often used on irregularly shaped surfaces, such as fittings, flanges, and valves.

Pipe Insulation Repair Strips

Protect and repair insulation with this cotton fiber and resin mesh.

Ceramic Fiber Insulation Sheets for Furnaces

The most common of our flexible high-temperature sheets, these are used to insulate furnaces.

Control of Liquids, Gases, and Solids

Floor, Wall, and Ceiling Plates

Add a finishing touch to the area around protruding pipes with these corrosion-resistant plates, which are also known as escutcheons.

Low-Pressure Pipe Repair Clamps for Steam

Also known as patch clamps.

Low-Pressure Pipe Repair Clamps for Air

Also known as patch clamps.

Low-Pressure Pipe Repair Clamps for Natural Gas

Low-Pressure Pipe Repair Clamps for Drinking Water

Low-Pressure Pipe Repair Clamps for Water

Medium-Pressure Pipe Repair Clamps

Use in medium-pressure applications up to 600 psi.

High-Pressure Pipe Repair Clamps

Use in high-pressure applications up to 1,000 psi.

Repair Clamps for Steel Tubing

Repair pinholes, punctures, and cracks in low-pressure systems with these clamps. Insert tubing into the clamp and tighten the bolts to create a secure seal.

Deep-Freeze Pipeline Fluid Blocking Kits

Commonly used with sprinkler systems, these kits create a temporary ice plug in a pipe so repairs can be made without draining the system.

Roof Pipe Gaskets

Roof Pipe Gaskets for Corrugated-Metal Roofs

Trim the rubber cap to fit a range of pipe sizes.

Roof Pipe Gaskets for Single-Ply and Built-Up Roofs

Trim the rubber cap to fit a range of pipe sizes.

Roof Pipe Gaskets for 40° Pitched Shingle Roofs

Use these gaskets on plumbing vent pipes and two-walled, air-insulated vent pipes (also known as Type B roof vents).

Leak-Detecting Pipe Flange Covers

Leak-Detecting Pipe Flange Covers with pH Patch

When a tiny amount of liquid makes contact with the pH patch, it changes color to indicate a leak.

See-Through Leak-Detecting Pipe Flange Covers

The clear plastic center permits easy visual inspection.

Enclosure Louvers

Relieve heat buildup and prevent condensation from forming inside enclosures and other small spaces.

Weather-Resistant Enclosure Louvers

With a gasketed sealing kit, these louvers shield your enclosure from dirt, moisture, and weather while regulating heat and stopping condensation from forming inside.