Fiberglass Plugs | McMaster-Carr

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Material

Fitting Material

System of Measurement

Knockout Diameter

7/8" to 1 9/32"

1 3/8" to 1 3/4"

Knockout Trade Size

Enclosure Rating

Environment

Head Diameter

Pipe Size

Certification

C-UL Recognized Component

UL Recognized Component

Performance

Chemical Resistant

Corrosion Resistant

Shape

REACH

RoHS

Specifications Met

Panel Thickness

Fitting Type

Color

For Use With

Acetic Acid (White Vinegar) (75% Concentration)

Calcium Chloride

Hydrochloric Acid (37% Concentration)

Nitric Acid (10% Concentration)

Phosphoric Acid

Salt Water (30% Concentration)

Sodium Hydroxide (Caustic Soda) (50% Concentration)

Sulfuric Acid (70% Concentration)

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Flammability Rating

Attachment Type

For Hole Type

UL File Number

Height

How can we improve?

16 Products

Electrical Enclosure Plugs

Watertight Knockout Plugs for Enclosures

Watertight Knockout Plugs for Enclosures

Don't let water sneak into unused conduit knockouts

Other Products

Electrical Enclosure Drain Vents

Electrical Enclosure Drain Vents

Prevent moisture from getting trapped inside enclosures while letting air flow through

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

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