McMaster-Carr

Choose a Category

	System of Measurement System of Measurement

Metric

Inch

	For ID For ID

15-16mm

16-18mm

19-20mm

21-22mm

23-24mm

25-26mm

27-28mm

29-30mm

31-32mm

32mm

33-34mm

	Plug Type Plug Type


Snap In	Screw In

Locking

	Color Color

	Off-White		Black
	Yellow		Gray

	Head Diameter Head Diameter

	Material Material

	Thread Size Thread Size

	For Maximum Panel Thickness For Maximum Panel Thickness

	For Minimum Panel Thickness For Minimum Panel Thickness

0.5mm

0.8mm

	Overall Height Overall Height

	Height Height

	Thread Pitch Thread Pitch

1 mm

1.5 mm

2 mm

	Hardness Hardness

Durometer 55D

Rockwell R120

Not Rated

	Finish Finish

Nickel Plated

Powder Coated

	Maximum Temperature Maximum Temperature

	Environment Environment

	Environmental Rating Environmental Rating

	For Push-Button Hole Size For Push-Button Hole Size

22 mm

30 mm

	Specifications Met Specifications Met

CSA

	For Hole Diameter For Hole Diameter

46 Products

Plugs

Snap-In Panel Plugs

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

Locking Panel Plugs

The wings on these plugs expand against the sides of a hole to lock them in place.

Plugs

Protect a variety of shapes and sizes of unthreaded and threaded components.

Wire, Cable, and Hose Routing & Protecting

Hole Plugs for Enclosures

Seal unused holes and knockouts in your enclosures and outlet boxes.