Computer Accessories | McMaster-Carr

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Flat-Panel Monitor Mounting Plate

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Keyboard and Mouse

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Adjustable-Angle Elbow

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Environment

High-Pressure Washdown

Mobility

4,867 Products

Communication

Keyboards

Wired, wireless, foldable, and washdown keyboards

29 products

Keyboard Covers

Guard keyboards from spills and dust

7 products

Mice

Wired and wireless mice

10 products

Web Cameras

Record and stream high-definition video and sound from your computer

1 product

Memory Card Readers

Transfer data from a memory card to a computer

1 product

Memory Cards

Store data from cell phones, laptops, and other mobile devices

3 products

Wrist Rests

Support your wrists while typing to reduce fatigue and strain

1 product

DVDs

Record video for playback on a computer or DVD player

1 product

Flash Drives

Store data, take it on the go, and transfer it to other devices with a USB port

5 products

CDs

Record audio for playback on a computer or stereo

1 product

Mouse Pads

Make it easier to control your mouse than a bare surface

3 products

Pointers

Shine the laser or extend the tip to direct attention during presentations

6 products

Screen Privacy Filters

Darken your computer screen when viewed from the sides so it's only visible to you

3 products

Screen Protectors

Shield your phone, tablet, or computer screen from smudges and scratches

4 products

Monitor Covers

Slip over your monitor to protect it from dust when not in use

5 products

Computer Monitors

Display information in tough conditions such as on factory floors and outdoor jobsites

9 products

Computer Covers

Fit over your computer to shield it from dust when not in use

2 products

Printer Covers

Fit over your printer to protect it from dust when not in use

3 products

Headphones

Listen to audio while blocking out the noise around you

1 product

Headsets

Make hands-free calls from your computer, smartphone, or other device

7 products

Telephone Splitters

Connect multiple phone lines to a single telephone jack

4 products

Telephone Connectors

Replace the plug on your phone cord, or extend your line by connecting cords together

12 products

Telephone Cords

Connect telephones to data outlets

9 products

Barcode Scanners

Read barcodes and send data to your computer

5 products

Label Printer Tape

Replace the label tape in label printers

242 products

Label Printers

Create custom labels on the spot

11 products

Labels

Stick onto items to identify or convey information about them

14 products

Printer Toner

Replace empty toner cartridges in laser printers

99 products

Stylus Pens

Scribble notes and enter data on touch screen devices without removing gloves or leaving smudges

2 products

Ink

Apply ink to rollers, pads, or stamps, then mark surfaces such as paper, fabric, metal, and plastic

8 products

Electrical

Electrical Cords

Connect equipment and devices to a power supply

1,224 products

Wire Splices

Join wire and protect the connection

359 products

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

121 products

Outlet Strip Mounts

Snap in outlet strips for quick mounting on flat surfaces

4 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

236 products

Data Connection Hubs

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

28 products

Patch Panels

Expand and reconfigure a data network when space inside your enclosure is limited

1 product

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

136 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

138 products

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

54 products

Terminal and Splice Kits

Maintain a supply of extra terminals and splices to join and terminate wire

17 products

Electrical Connector Clips

Attach to data connectors to lock them in place, repair them, or color code them

4 products

Data Port Locks

Block USB or Ethernet ports from unauthorized use

9 products

Electrical Connector Caps

Protect data connectors when not in use

78 products

Wall Plates

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

34 products

Electrical Connector Contacts

Crimp wire into pins and sleeves to create custom Molex or Amphenol connectors

1 product

Electrical Cord Locks

Cover mated connectors on extension cords to prevent disconnection

2 products

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

12 products

Data Port Plugs

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

3 products

Single-Board Computers

Combine the functionality of a PC with the flexibility of a development board’s inputs and outputs

17 products

Edge Controllers

Use in automated systems to monitor sensors, control actuators, and support wireless connections

1 product

Development Boards

Prototype electronics and build simple automation systems by configuring inputs and outputs

28 products

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

17 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

23 products

Computers

Sturdy and reliable for harsh industrial jobsites, from frigid freezers to sweltering foundries

5 products

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

64 products

Wire and Cable Strippers

Remove the outer insulation on wire and cable

14 products

Wire Stripper Crimpers

Strip wire and crimp connectors with one tool

12 products

Punch-Down Tools

Terminate and cut wire on 66 and 110 wiring blocks

2 products

Voltage Adapters

Change AC voltage to DC voltage to power a device

285 products

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

1 product

Power Over Ethernet Injectors

Power devices such as routers and wireless access points in areas lacking a power outlet

5 products

Inverters

Transform DC voltage to power devices that run on AC voltage; prevent overload damage

12 products

Battery Chargers

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

4 products

Single-Board Computer Enclosures

Protect your Raspberry Pi, Arduino, or other board from dust and impact

6 products

Monitor Enclosures

Shield displays and televisions from impact, dust, and splashing liquids

16 products

Outlet Boxes

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

7 products

Telephone Wiring Blocks

Keep telephone cable organized and accessible

1 product

DIN Rail Mounting Adapters

Attach to components not made for DIN rail and clip on to install

4 products

Containers, Storage, and Furniture

Workbenches

Often used for shop work with durable tops and storage for tools

105 products

Tables

Fixed-height, adjustable-height, and folding tables

491 products

Desks

Stand up or sit down to work in offices and plants

40 products

Standing Desk Converters

Change any desk or table into a stand-up-height work surface

3 products

Computer Stands

Adjust the shelves to hold computers and components at a comfortable working height

4 products

Mobile Device Cases

Safeguard mobile devices from damage

22 products

Keyboard Trays

Position keyboards at a comfortable distance, height, and angle

4 products

Laptop Bags

Protect laptops while carrying them

3 products

Computer Holders

Save surface space by mounting computers to the underside of desks

1 product

Cases

Protect equipment from impact with a foam-padded interior

75 products

Computer Cabinets

Shield a computer while keeping a clear view of its screen

7 products

Fabricating and Machining

Multitools

A variety of tools and blades all in one

1 product

Building and Machinery Hardware

Positioning Arms

Mount and position tools, small electronics, and displays

43 products

Laptop Stands

Adjust the height and angle of your laptop for comfortable viewing and typing

2 products

Tablet Stands

Raise and angle tablets for easy use

4 products

Monitor Stands

Support a monitor at viewing height

6 products

Tablet and Laptop Holders

Snap in tablets and laptops to mount them on stands and positioning arms

3 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

15 products

Cable Locks

Wrap around gates, tools, and equipment to prevent break-ins or theft

1 product

Measuring and Inspecting

Data Cable Identifiers

Trace unshielded data and telephone cables to their source

1 product

Line Tester Adapters

Connect a testing device to a telephone line

1 product

Data Cable Testing Adapters

Isolate the signals of a data line by connecting your testing device to an Ethernet wall outlet

1 product

Data Cable Testers

Identify open, short, and incorrectly wired circuits in coaxial and data cable

3 products

Line Testers

Diagnose issues in telephone lines or Ethernet cables

5 products

Line Testing Amplifiers

Pair with line testers to identify cables without touching them

3 products

Facility and Grounds Maintenance

Computer Screen Cleaners

Wipe dust and dirt from computer screens, then dry them for a streak-free clean

1 product

Multipurpose Cleaners

Remove dirt, grime, and stains from most surfaces, even in clean rooms and freezers

4 products

Spray Dusters

Clean hard-to-reach spaces with a burst of air

8 products

Tarps

Shield equipment from weather, flames, chemicals, and more

60 products

Vacuum Cleaners

Wet/dry, upright, hand-held, and backpack vacuums

4 products

Safety Equipment

Earplugs

Protect your hearing in loud environments without the bulk of earmuffs

1 product

Earmuffs

Dampen loud noises to protect hearing

3 products

Fastening and Joining

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

1 product

Material Handling

Teach Pendant Cases

Protect robot teach pendants from drops, scrapes, and spills to prevent downtime due to damage

14 products

Robot Teach Pendant Cords

Replace the cord that connects robot controllers to teach pendants

25 products

Tablet Holders

Equip tablets with safety switches to halt robots, conveyors, and other machinery in an instant

3 products

Teach Pendant Mounts

Store teach pendants conveniently near robots but out of harm’s way

4 products

Teach Pendant Screen Protectors

Guard teach pendant screens from scratches and liquids without disrupting touch-screen functionality

13 products

Carts

Transport objects around your facility

28 products