Dust Seals | McMaster-Carr

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Diluted Salt Solutions

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Compliant with Exemptions

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2B999

EAR99

DFARS Specialty Metals

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3,547 Products

Sealing

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

60 products

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

109 products

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

529 products

Building and Machinery Hardware

Protective Plugs

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

1,009 products

Protective Caps

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

1,070 products

Weatherstripping

Seal gaps around doors, windows, and frames

1 product

Doors

Everything from single to double to two-way swinging doors

3 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

DIN Rail Caps

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

2 products

Data Port Locks

Block USB or Ethernet ports from unauthorized use

9 products

Data Port Plugs

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

3 products

RJ45 Connector Caps

Protect sockets and maintain the IP67 rating when not in use

1 product

RJ45 Connector Security Clips

Lock Ethernet cords in place to prevent unauthorized removal from ports

3 products

Coaxial Connector Caps

Terminate the end of an unused coaxial cable

2 products

USB Connector Caps

Shield unused USB connectors from damage, contaminants, and moisture

3 products

Metric Circular Connector Caps

Keep metric circular connectors safe when they're not in use

11 products

Mil. Spec. Connector Caps

Protect Mil. Spec. connectors when they're not in use

12 products

Power Connector Caps

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

38 products

Mini Connector Caps

Shield mini connectors when they're not in use

13 products

Capacitor Boots

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

3 products

Fluid Handling

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

279 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

95 products

Containers, Storage, and Furniture

Syringe Caps

Cover syringe tips when not in use to protect them and prevent leaks

13 products

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

16 products

Fabricating and Machining

Tooling Ball Covers

Protect tooling balls when not in use

3 products

Fixture Plate Plugs

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

8 products

Lubricating

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

14 products

Fastening and Joining

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

35 products

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

66 products

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

23 products

Material Handling

Conveyor Guide Mounting Rod Caps

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

7 products

Facility and Grounds Maintenance

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

4 products

Heating, Ventilation, and Air Conditioning

Air Conditioner Service Valve Caps

Seal off AC service valves to prevent refrigerant from leaking out

2 products

Safety Equipment

Fire Hydrant Plugs

Pair with a hook-style spanner wrench to quickly seal fire hydrants and washdown equipment

3 products

Fire Hydrant Caps

Pair with a hook-style spanner wrench to quickly cover and uncover fire hydrants

6 products

Bearing Guards

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

14 products

Communication

Tamper-Evident Seals

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

2 products