Snap-In Plugs | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	For ID For ID

	For Shape For Shape


Round	Square

Rectangle	Hex

	Material Material

Plastic

Steel

	Head Diameter Head Diameter

	Color Color

	Black		Off-White
	Silver		White
	Beige		Dark Blue
	Dark Brown		Dark Green
	Dark Red		Light Brown
	Light Gray		Red
	Blue

	Head Width Head Width

	For Inside Width For Inside Width

	For Inside Length For Inside Length

	For Panel Thickness For Panel Thickness

	Head Length Head Length

	Height Height

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

RoHS Compliant

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

DFARS Specialty Metals
COTS-Exempt

	Hardness Hardness

	Maximum Temperature Maximum Temperature

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

REACH Compliant

	Head Height Head Height

	Overall Height Overall Height

	For Knockout Trade Size For Knockout Trade Size

	For Knockout Diameter For Knockout Diameter

	For Thread Diameter For Thread Diameter

	Container Type Container Type

344 Products

Snap-In Panel Plugs

Plastic Snap-In Panel Plugs

Tapered prongs or a snap-in ring securely hold these plugs in place.

Metal Snap-In Panel Plugs

Made of steel, these are our most durable plugs for panels. Tapered prongs snap into the hole to securely hold them in place.

Metal Snap-In Panel Plug Assortments

Keep metal snap-in plugs of various sizes on hand to solve whatever problems arise. Made of steel, these plugs are our most durable plugs for panels. Their tapered prongs snap into holes to securely hold them in place.

Vented Snap-In Panel Plugs

Vents in the top allow air circulation and permit heat and fumes to escape. These plugs have tapered prongs that snap into the hole to securely hold them in place.

Plugs

Snap-In Round Plugs

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

Snap-In Square Plugs

Flexible ridges or straps hold these plugs in place.

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.

Snap-In Rectangular Plugs

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

Ethernet Port Plugs

Shield unused RJ45 type ports on computers and other electronic equipment from debris and moisture.

Caps

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.

Hex Nut Caps

Sized to fit hex nuts, these caps snap on for a tight hold and provide protection from corrosion.

SAE Flange Caps

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

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.

Electrical

Snap-In Hole Plugs

Seal unused holes and knockouts in enclosures and outlet boxes.

Filler Plates for Circuit Breaker Boxes

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