Rubber Plugs | McMaster-Carr

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2,274 Products

Building and Machinery Hardware

Protective Plugs

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

373 products

Protective Caps

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

138 products

Grommets

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

583 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

235 products

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

63 products

Fluid Handling

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

343 products

Sights

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

149 products

Liquid-Level Gauges

Monitor fluid levels in containers

9 products

Pipe and Pipe Fittings

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

17 products

Hose and Hose Fittings

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

83 products

Tube and Tube Fittings

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

4 products

Electrical

Electrical Connector Caps

Protect data connectors when not in use

34 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

8 products

Data Port Plugs

Keep dust, debris, and moisture out of unused computer ports

2 products

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

2 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

13 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

4 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

4 products

Electrical Enclosure Plugs

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

1 product

Cable Entry Panels

Pass multiple cords into an enclosure while sealing out moisture, dust, and other contaminants

83 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

14 products

Capacitor Boots

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

3 products

Facility and Grounds Maintenance

Sink Drain Stoppers

Plug drains to fill up sinks and tubs

4 products

Floor Drain Trap Seals

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

4 products

Drain Check Valves

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

3 products

Containers, Storage, and Furniture

Drum Plugs

Seal drum lid openings

10 products

Drum Locks

Secure drum lids and openings to prevent tampering

1 product

Safety Equipment

Floor Drain Plugs

Prevent oil and other spills from going down your floor drain

3 products

Spill-Control Drain Covers

Block grates and manholes so liquid can't get in and odors can't get out

6 products

Earplugs

Protect your hearing in loud environments without the bulk of earmuffs

12 products

Lubricating

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

1 product

Fastening and Joining

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

26 products

Sealing

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

6 products

Drum Plug Gaskets

Form a tighter seal in drum openings than with a drum plug alone

5 products