Fiberglass Plugs | McMaster-Carr

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Material

Fitting Material

Knockout Diameter

7/8" to 1 9/32"

1 3/8" to 1 3/4"

Knockout Trade Size

Attachment Type

Environment

Enclosure Rating

Head Diameter

Certification

C-UL Recognized Component

UL Recognized Component

Shape

Panel Thickness

Performance

Chemical Resistant

Corrosion Resistant

RoHS

System of Measurement

Depth

Pipe Size

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)

REACH

Specifications Met

Color

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Flammability Rating

For Hole Type

Height

UL File Number

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35 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

Wire and Cable Crimpers

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

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