Plug Covers | McMaster-Carr

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System of Measurement

ID

0.022" to 0.079"

0.025" to 0.08"

0.03" to 0.083"

3/64" to 13/64"

1/16" to 11/64"

1/16" to 13/64"

5/64" to 11/64"

Attachment Type

Material

Stainless Steel

Shape

Color

Plug Connection Method

Profile Shape

OD

0.053" to 0.12"

0.079" to 0.15"

0.111" to 0.177"

Head Diameter

Pipe Size

For Use With

Abrasive Materials

Keystone Connectors

Push-Button Holes

Panel Thickness

0.016" to 0.062"

0.016" to 0.063"

0.016" to 0.125"

0.016" to 0.25"

Fitting Type

Thread Size

Height

Performance

Chemical Resistant

Corrosion Resistant

High Temperature

High Visibility

Impact Resistant

Protects while in Use

Inside Height

Head Width

Hole Diameter

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 299° F

300° F to 499° F

500° F or greater

REACH

RoHS

Compliant with Exemptions

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

3,082 Products

Protective Plugs

Snap-In Panel Plugs

Snap-In Panel Plugs

Close off unused wiring openings and holes in sheet metal

Push-In Panel Plugs

Push-In Panel Plugs

Fit tightly on both sides to fill wiring and access holes

Locking Panel Plugs

Locking Panel Plugs

The most secure panel plugs, shaking and rattling won’t dislodge them

Hollow Tapered Plugs

Hollow Tapered Plugs

Shaped to fit a range of diameters and compress for a snug fit

Snap-In Plugs

Press firmly into place for a tighter hold than push-in plugs

Tapered Plugs

One plug fits a range of diameters

Sealing Plugs

Seal the ends of water supply lines, refrigerant lines, and HVAC compressors

Metal Snap-In Panel Plugs

Metal Snap-In Panel Plugs

Toughest plugs for panels and sheet metal withstand impact and wear better than plastic

Screw-In Plugs for Pipe and Tubing

Screw-In Plugs for Pipe and Tubing

Threaded for the most secure fit on female pipe and fittings

Sealing Panel Plugs

Sealing Panel Plugs

Create a liquid-tight seal while protecting wire, cable, and tubing from sharp edges

Miniature Tapered Plugs

Miniature Tapered Plugs

Block very small holes while you paint, coat, or plate parts

Snap-In Rectangular Plugs

Snap-In Rectangular Plugs

A tighter fit than push-in plugs for finishing the ends of posts, workstations, and furniture

Hollow Plugs

Compress for snug fit

Vented Plugs for Pipe and Tubing

Vented Plugs for Pipe and Tubing

Tear away the tab to release pressure while coatings cure

Hollow Tapered Plug Assortments

Hollow Tapered Plug Assortments

A range of sizes for plugging holes big and small

Tight-Hold Tapered Plugs

Tight-Hold Tapered Plugs

Tighten the wing nut to expand and seal

Snap-In Square Plugs

Snap-In Square Plugs

Press firmly into square holes for a tighter hold than push-in plugs

Freeze Plugs

Permanently seal the shallow holes left during the casting process

Pull-Through Plugs

Pull-Through Plugs

Fill the entire length of through holes

Pull-Tab-Release Plugs

Pull-Tab-Release Plugs

Grip the tab for easier removal than other plugs

Pull-Tab-Release Hollow Plugs

Pull-Tab-Release Hollow Plugs

Lift and pull the tabs for easier removal than other plugs

Conductive Plugs

Conductive Plugs

Shield components from interference and drain static quickly

Pull-Through Plugs for Countersunk Holes

Pull-Through Plugs for Countersunk Holes

Protect both the center and countersunk portions of holes with a single plug

Snap-In Plugs for Socket Head Screws

Snap-In Plugs for Socket Head Screws

Keep debris from clogging or damaging hex drives

Tapered Plugs for Food and Beverage

Tapered Plugs for Food and Beverage

Nonporous and super smooth to prevent bacteria growth

Antistatic Plugs

Antistatic Plugs

Prevent static buildup to protect sensitive electronics

Push-In Rectangular Plugs

Push-In Rectangular Plugs

Close off the ends of rectangular tubing in framing structures, furniture, and shelving

Miniature Pull-Through Plugs

Miniature Pull-Through Plugs

Stretch through very small holes in electronic components such as circuit boards and connectors

Metal Snap-In Panel Plug Assortments

Metal Snap-In Panel Plug Assortments

Fit a range of hole sizes in machine panels and sheet metal.

Push-In Square Plugs

Push-In Square Plugs

Close off the ends of square tubing and furniture

Metal Square Plugs

Metal Square Plugs

Tougher than plastic plugs for finishing the ends of square metal tubing

Vented Locking Panel Plugs

Vented Locking Panel Plugs

Release heat and fumes with plugs that stay put, even under vibration

Vented Snap-In Panel Plugs

Vented Snap-In Panel Plugs

Air circulates and permits heat and fumes to escape from machine panels

Other Products

Electrical Enclosure Plugs

Electrical Enclosure Plugs

Block or seal holes in outlet boxes and enclosures to keep out debris, dust, and moisture

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Outlet Box Covers

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

Power Connector Caps

Power Connector Caps

Cover pin-and-sleeve power connectors when they're not in use

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Thermocouple Connector Covers

Thermocouple Connector Covers

Shield thermocouple connectors from dust and debris

Hose End Caps

Cover the ends of hose to keep out dirt and debris

Faucet Hole Covers

Faucet Hole Covers

Close off unused faucet holes intended for soap dispensers and side sprayers

Hose End Plugs

Insert into the ends of hose to keep out dirt and debris

Data Port Plugs

Data Port Plugs

Keep dust, debris, and moisture out of unused computer ports

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Manhole Covers

Made of cast iron to handle high-volume foot and vehicle traffic.

RJ45 Connector Caps

RJ45 Connector Caps

Protect sockets and maintain the IP67 rating when not in use

Drain Cleanout Hole Covers

Drain Cleanout Hole Covers

Conceal drain cleanout plugs in walls and floors while keeping them accessible

DIN Rail Caps

Guard the edges of DIN rail from damage and create a finished look

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Fixture Plate Plugs

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

Drum Plug Caps

Access inside drums to fill them

Drain Cleanouts

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Coaxial Connector Caps

Coaxial Connector Caps

Terminate the end of an unused coaxial cable

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Tamper-Evident Seals

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

HDMI Connector Caps

HDMI Connector Caps

Protect HDMI sockets and maintain their IP rating when not in use

Bore Sealing Plugs

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

Quick-Release Pin Receptacles

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

Quick-Release Pin Retaining Caps

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

Mini Connector Caps

Mini Connector Caps

Shield mini connectors when they're not in use

Mil. Spec. Connector Caps

Mil. Spec. Connector Caps

Protect Mil. Spec. connectors when they're not in use

Metric Circular Connector Caps

Metric Circular Connector Caps

Keep metric circular connectors safe when they're not in use

Conveyor Guide Mounting Rod Caps

Conveyor Guide Mounting Rod Caps

Cover the ends of conveyor guide mounting rods for a finished look

Dust Covers

Stretch over drums, pails, and other objects to keep out dust and debris

Data Port Locks

Data Port Locks

Block USB or Ethernet ports from unauthorized use

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Capacitor Boots

Capacitor Boots

Shield capacitors and wire connections to extend their service life and reduce accidental shocks

USB Connector Caps

USB Connector Caps

Shield unused USB connectors from damage, contaminants, and moisture

Air Conditioner Service Valve Caps

Air Conditioner Service Valve Caps

Seal off AC service valves to prevent refrigerant from leaking out

Circuit Breaker Box Filler Plates

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)