Aluminum Square-Head Plugs | McMaster-Carr

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Stainless Steel

For Use With

Acetic Acid (White Vinegar) (10% Concentration)

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Clamp-On Barbed

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Quick Disconnect

Maximum Pressure @ Temperature

10 psi @ 70° F

25 psi @ 70° F

50 psi @ 70° F

180 psi @ 70° F

290 psi @ 70° F

360 psi @ 70° F

725 psi @ 70° F

50 psi @ 72° F

75 psi @ 72° F

90 psi @ 72° F

100 psi @ 72° F

110 psi @ 72° F

125 psi @ 72° F

130 psi @ 72° F

140 psi @ 72° F

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Compliant with Exemptions

REACH

DFARS Specialty Metals

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1,857 Products

Fluid Handling

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

Pipe Flanges

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

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Hose End Caps

Cover the ends of hose to keep out dirt and debris

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Sights

Observe and monitor the contents of pipes, tanks, and other containers

Corrosion-Inhibiting Rods and Pads

Corrosion-Inhibiting Rods and Pads

Protect tanks, water heaters, and heat exchangers from rust; also known as sacrificial anodes

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

Slip-On Framing and Fittings

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Electrical

Electrical Enclosure Plugs

Electrical Enclosure Plugs

Block or seal holes in outlet boxes and enclosures to keep out debris, dust, and moisture

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Outlet Strips

Plug in multiple devices to power them from a single outlet

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

Terminal Blocks

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

Wire and Cable Crimpers

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

Safety Equipment

Fire Hydrant Caps

Fire Hydrant Caps

Pair with a hook-style spanner wrench to quickly cover and uncover fire hydrants

Fastening and Joining

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Wood Screws

Fasten material to wood or pieces of wood to each other

Lubricating

Grease Fitting Manifolds

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

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