Fiberglass Hole Plugs | McMaster-Carr

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Material

System of Measurement

Knockout Diameter

7/8" to 1 9/32"

1 3/8" to 1 3/4"

Attachment Type

Knockout Trade Size

Enclosure Rating

Environment

Head Diameter

Panel Thickness

Performance

Chemical Resistant

Corrosion Resistant

Shape

RoHS

Pipe Size

Specifications Met

Certification

C-UL Recognized Component

UL Recognized Component

For Use With

Acetic Acid (White Vinegar) (75% Concentration)

Calcium Chloride

Hydrochloric Acid (37% Concentration)

Nitric Acid (10% Concentration)

Phosphoric Acid

Sodium Hydroxide (Caustic Soda) (50% Concentration)

Sulfuric Acid (70% Concentration)

REACH

Depth

Color

Export Control Classification Number (ECCN)

For Hole Type

Flammability Rating

DFARS Specialty Metals

UL File Number

Fitting Type

Width

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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

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Electrical Enclosure Drain Vents

Electrical Enclosure Drain Vents

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

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