Square Plugs | McMaster-Carr

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Acetic Acid (White Vinegar) (10% Concentration)

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DFARS Specialty Metals

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

Yes

Export Control Classification Number (ECCN)

REACH

Leg Shape

949 Products

Fluid Handling

Pipe Plugs

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

425 products

Pipe Straights

Join lengths of pipe to send contents in one direction

4 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

5 products

Corrosion-Inhibiting Rods and Pads

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

6 products

Building and Machinery Hardware

Protective Plugs

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

122 products

Protective Caps

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

82 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

5 products

Grommets

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

10 products

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

69 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Plugs

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

1 product

Outlet Boxes

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

37 products

Electrical Enclosure Vents

Attach to sealed enclosures so air can flow to equalize temperature and pressure

5 products

Wall Plates

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

113 products

Electrical Connector Caps

Protect data connectors when not in use

1 product

EMI/RFI Suppressing Clips

Shield cable from EMI and RFI that can distort signals; also known as ferrite beads

44 products

Capacitor Boots

Shield capacitors and wire connections to extend their service life and reduce accidental shocks

3 products

Containers, Storage, and Furniture

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

6 products

Dust Covers

Stretch over drums, pails, and other objects to keep out dust and debris

6 products

Fastening and Joining

Wood Screws

Fasten material to wood or pieces of wood to each other

4 products