4 Pipe Size Pipe Plugs | McMaster-Carr

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Stainless Steel

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Pipe Material

Stainless Steel

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Drive Style

External Octagon

External Square

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Pipe Schedule

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Spec Image

Spec Image

Spec Image

Spec Image

For Pipe ID

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Gender

Flange Material

Stainless Steel

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Plate Material

Stainless Steel

For Use With

Abrasive Materials

Acetic Acid (White Vinegar)

Calcium Chloride

Hydraulic Fluid

Pressure Class

Deflated Diameter

Maximum Air Back Pressure

Less than 10 psi

10 psi to 24 psi

25 psi to 49 psi

50 psi to 99 psi

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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Compliant with Exemptions

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163 Products

Fluid Handling

Pipe and Fittings

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

Pipe Stub Ends

Connect a pipe flange to a pipe without needing to weld it in place

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Building and Machinery Hardware

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Facility and Grounds Maintenance

Drain Check Valves

Drain Check Valves

Prevent water damage by placing into floor drains to stop sewer back-ups

Floor Drain Trap Seals

Floor Drain Trap Seals

Stop sewer gases from escaping through rarely used floor drains if the P-trap dries out

Drain Cleanouts

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

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