Plastic Plugs | McMaster-Carr

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9,209 Products

Most Likely Products

Power Connectors

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

Protective Plugs

Protective Plugs

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

Pipe and Fittings

Pipe and Fittings

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

All Results

Electrical Power, Networking, and Controlling

Power Connectors

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

Latching Connectors

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

Solenoid Valve Connectors

Solenoid Valve Connectors

Sockets and receptacles to connect solenoid components, such as valves and motors

Metric Circular Connectors

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

Molex Connectors

Molex Connectors

Plugs, sockets, and housings for making Molex connections

Mini Connectors

Mini Connectors

Plugs, sockets, and receptacles send power and control signals to equipment and automated systems

Ballast Connectors

Ballast Connectors

Avoid exposure to live wires when replacing fluorescent ballasts

RJ45 Connectors

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

AMP Connectors

Build-your-own and ready-to-use AMP connectors

D-Sub Connectors

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

Amphenol Connectors

Amphenol Connectors

Attach wires to a circuit board

Sure Seal Connectors

Sure Seal Connectors

A PVC housing keeps out liquids and dust and resists chemicals

USB Connectors

Plugs, sockets, receptacles, and adapters to make USB connections

Han Connectors

Plugs and sockets to make Han connections

DisplayPort Connectors

DisplayPort Connectors

Connect two DisplayPort cords of the same gender and connection type

Power Connector Caps

Power Connector Caps

Cover pin-and-sleeve power connectors when they're not in use

Breakaway Connectors

Breakaway Connectors

If pulled or stressed, these disconnect without damaging cables and equipment

Micro 360 Connectors

Micro 360 Connectors

Plugs and sockets to make control and data connections in tight spaces

RJ45 Connector Caps

RJ45 Connector Caps

Protect sockets and maintain the IP67 rating when not in use

RJ45 Connector Repair Clips

RJ45 Connector Repair Clips

Snap onto broken Ethernet plugs to restore their ability to make secure connections

Audio Connectors

Audio Connectors

Plugs, sockets, receptacles, and adapters to make audio connections

USB Connector Caps

USB Connector Caps

Shield unused USB connectors from damage, contaminants, and moisture

Fiber-Optic Connectors

Fiber-Optic Connectors

Join fiber-optic cords that have the same gender and connection type

HDMI Adapters

Convert one HDMI size or style to another

Video Adapters

Convert from one video connection to another

Coaxial Adapters

Coaxial Adapters

Join coaxial cords that have the same gender or different connection types

Strain-Relief Connector Boots

Strain-Relief Connector Boots

Protect connectors and cords from strain, bends, and pulls

RJ45 Connector Security Clips

RJ45 Connector Security Clips

Lock Ethernet cords in place to prevent unauthorized removal from ports

Power Cords

Connect equipment and devices to a power source

Extension Cords

Extension Cords

Extend the reach of power from an outlet

Metric Circular Cords

Metric Circular Cords

Send power and control signals to equipment with metric connections

Solenoid Valve Cords

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

Extension Cord Circuit Interrupter Converters

Extension Cord Circuit Interrupter Converters

Hardwire to extension cords to protect against electric shock in wet areas

Mini Cords

Often used to send power and control signals to automated systems, motors, and pumps

D-Sub Cords

Connect computers, monitors, printers, and other devices with DB connections

Ethernet Cords

Send data between computers, printers, servers, and switches

USB Cords

Transfer data between computers, printers, and mobile devices

Extension Cord Locks

Extension Cord Locks

Cover mated connectors on extension cords to prevent disconnection

Profibus Cords

Transmit data in automation systems and other networks

Power Cord Holders

Power Cord Holders

Keep extension cords, rope, hose, and chain tangle-free and ready to use

Sensor Signal Adapter Cords

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

Video Adapter Cords

Video Adapter Cords

Send video between devices with different connections

Breakaway Cords

Breakaway Cords

Disconnect if pulled to prevent stress on cord

HDMI Cords

Send high-definition signals to monitors, TVs, and projectors

USB Cord Locks

Keep your USB cord from shaking loose or being yanked out

Wall Plates

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

Outlet Strips

Plug in multiple devices to power them from a single outlet

Terminals

Attach wire endings everywhere from circuit breaker panels to batteries

Data Port Plugs

Data Port Plugs

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

Binding Posts

Test circuits before making permanent connections

Data Connection Hubs

Data Connection Hubs

Add USB, DisplayPort, or HDMI ports to your computer to connect multiple device

Terminal Blocks

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

Wire Taps

Connect a tap wire to a main wire without stripping

Data Port Locks

Data Port Locks

Block USB or Ethernet ports from unauthorized use

USB Extenders

Increase the reach of USB devices with a transmitter and receiver

USB Chargers

Power up mobile devices and other electronics

Distribution Bar Brackets

Distribution Bar Brackets

Route electricity within switchboards and battery banks; also known as bus bars

Electrical Enclosure Plugs

Electrical Enclosure Plugs

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

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Cable Entry Panels

Cable Entry Panels

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

Electrical Enclosure Vents

Electrical Enclosure Vents

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

Electrical Enclosure Drains

Electrical Enclosure Drains

Release moisture to keep components dry

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Electrical Enclosure Drain Vents

Electrical Enclosure Drain Vents

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

DIN Rail Caps

Guard the edges of DIN rail from damage and create a finished look

Wire and Cable Crimpers

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

Wire Stripper/Crimpers

Wire Stripper/Crimpers

Strip wire and crimp connectors with one tool

Circuit Breaker Box Filler Plates

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

EMI/RFI Suppressing Clips

EMI/RFI Suppressing Clips

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

Battery Cords

Connect batteries to each other

Jumper Cords

Ready to connect with a terminal at one or both ends

Battery Chargers

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

Circuit Board Connectors

Circuit Board Connectors

Connect flat flexible cable to circuit boards

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

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Grommets

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

Vibration-Damping Mounts

Vibration-Damping Mounts

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

Leveling Mount Inserts

Leveling Mount Inserts

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

Strut Channel Caps

Strut Channel Caps

Cover strut channel ends to protect from sharp edges

Slip-On Framing End Caps

Slip-On Framing End Caps

Cover the rough ends of slip-on framing rails for a finished look

Fluid Handling

Pipe and Fittings

Pipe and Fittings

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

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

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

Drain Valves

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

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

Pressure Test Fittings

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

Sights

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

Liquid-Level Gauges

Liquid-Level Gauges

Monitor fluid levels in containers

Measuring and Inspecting

Patch Cords

Make point-to-point connections between electrical testing equipment and your devices

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

BNC Test Cords

Connect oscilloscopes and other testers to your equipment

Test Lead Tips

Adapt Fluke test leads to perform electrical tests in tight spaces

Safety Equipment

Earplugs

Protect your hearing in loud environments without the bulk of earmuffs

Safety Glasses

Shield your eyes from dirt, sunlight, lasers, and electrical and welding sparks

Floor Drain Plugs

Floor Drain Plugs

Prevent oil and other spills from going down your floor drain

Spill-Control Drain Covers

Spill-Control Drain Covers

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

Bearing Guards

Shield bearings from dirt, and protect fingers and tools from moving parts

Containers, Storage, and Furniture

Drum Plugs

Seal drum lid openings

Dust Covers

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

Earplug Dispensers

Earplug Dispensers

Keep earplugs accessible and ready to use

Facility and Grounds Maintenance

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

Sink Drain Stoppers

Sink Drain Stoppers

Plug drains to fill up sinks and tubs

Faucet Hole Covers

Faucet Hole Covers

Close off unused faucet holes intended for soap dispensers and side sprayers

Shower Stoppers

Shower Stoppers

Push down to plunge and cut trapped material to prevent clogs

Sink Drains

Empty liquids from sinks into sewer lines

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Storm Drain Filters

Storm Drain Filters

Prevent leaves, sticks, and trash from washing down storm drains and grates

Heating, Ventilation, and Air Conditioning

Temperature-Controlled Outlet Adapters

Temperature-Controlled Outlet Adapters

Automatically turn heating and cooling devices on and off as temperatures rise and fall

Fastening and Joining

Rivets

Join materials together permanently, especially when too thin or fragile to fasten with screws

Fabric Snaps

Complete snaps that join fabric together or fasten fabric to surfaces

Drum Plug Wrenches

Drum Plug Wrenches

Install and remove screw-in drum plugs; also known as bung wrenches

Fabricating and Machining

Fixture Plate Plugs

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

Lighting

Light Sockets

Install or replace sockets in fixtures for standard household, tubular, compact, or miniature bulbs

Light Switch/Receptacles

Light Switch/Receptacles

Combine a switch and receptacle into a single outlet box for a small footprint

Lubricating

Grease Fittings

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

Grease Fitting Caps

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

Sealing

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Drum Plug Gaskets

Drum Plug Gaskets

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

Material Handling

Conveyor Guide Mounting Rod Caps

Conveyor Guide Mounting Rod Caps

Cover the ends of conveyor guide mounting rods for a finished look

Communication

Microphone Cords

Microphone Cords

Plug your microphone into an amplifier or speaker

Tamper-Evident Seals

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

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