Hinged Covers | McMaster-Carr

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Protects while in Use

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EAR99

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AMCA Certified for Air Performance

AMCA Certified for Water Penetration

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Warnock Hersey Certified

Mounting Location

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With Knockouts

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2,079 Products

Electrical

HMI Covers

Access HMI devices and other controls mounted to an enclosure while keeping out liquids and dust

114 products

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

31 products

Outlet Boxes

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

7 products

Electrical Enclosures

House and protect power supplies, control panels, and other electrical equipment

1,264 products

Monitor Enclosures

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

10 products

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

45 products

Cable and Hose Carriers

Route, protect, and guide moving cable

79 products

Console Enclosures

Build out interfaces with buttons, gauges, and other components to monitor and control machinery

3 products

Wall Plates

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

8 products

Electrical Connector Caps

Protect data connectors when not in use

11 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

3 products

Power Cords

Connect equipment and devices to a power source

13 products

Extension Cords

Extend the reach of power from an outlet

1 product

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

1 product

Switch Guards

Prevent people from activating switches accidentally

2 products

Battery Chargers

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

1 product

Building and Machinery Hardware

Access Panels

Install in ceilings, walls, concrete floors, and tanks to access and inspect inside

161 products

Roof Hatches

Access the roof from inside your building

6 products

Cam Latch Covers

Seal off cam locks and latches so dust, dirt, and water don't get in

3 products

Lockouts

Ensure that machines stay turned off to prevent accidents during maintenance work

37 products

Strip Door Mounting Plates

Bolt or press door strips on these plates to create strip doors

6 products

Protective Caps

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

10 products

Door Handle and Knob Guards

Prevent unauthorized entry by blocking access to the knob

4 products

Containers, Storage, and Furniture

Drum Plug Caps

Access inside drums to fill them

4 products

Drum Locks

Secure drum lids and openings to prevent tampering

Lubricating

Install in engine blocks and other machinery to pour in oil while keeping dust out

30 products

Oil Cups

Instead of manually lubricating equipment, a built-in reservoir gradually delivers oil

14 products

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

12 products

Safety Equipment

Fire Alarm Station Covers

Shield your fire alarm pull stations from damage and tampering

4 products

Chip Guards

Deflect flying chips while machining to protect people and equipment

8 products

Material Handling

Hopper Lids

Conceal and protect loads in hoppers

12 products

Scaffold Planks

Hook over scaffold frames to add a platform for workers to stand on

2 products

Facility and Grounds Maintenance

Paint Pour Lids

Make drip-free pours from paint cans, then collapse the spout for secure storage

1 product

Paint Brush Containers

Keep brushes wet and ready to use while waiting for coats of paint to dry

2 products

Floor, Wall, and Ceiling Plates

Add a finishing touch around protruding pipes; also known as escutcheons

9 products

Floor Drains

Catch liquid from the floor and direct it down a drain pipe

3 products

Fluid Handling

Breather Vents

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

1 product

Pipe Repair Clamps

Fix small holes and cracks in pipe without taking your system apart

2 products

Heating, Ventilation, and Air Conditioning

Thermostat Guards

Restrict access to thermostats and protect them from damage

3 products

Louvers

Allow air to circulate through doors, walls, roofs, and enclosures

65 products

Registers

Direct and control airflow coming out of HVAC systems

10 products

Chimney Pipe and Fittings

Exhaust hot air and fumes from boilers, furnaces, and stoves

5 products

Diffuser Dampers

Regulate the airflow coming out of drop-ceiling diffusers

10 products

Communication

Sign Holders

Display signs on walls, floors, tables, and other surfaces

3 products