Plastic Dust Caps | McMaster-Carr

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DFARS Specialty Metals

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2,222 Products

Building and Machinery Hardware

Protective Caps

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

844 products

Protective Plugs

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

467 products

Fluid Handling

Hose End Plugs

Insert into the ends of hose to keep out dirt and debris

25 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

41 products

Hose Fittings

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

18 products

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

157 products

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

184 products

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

4 products

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

37 products

Tube and Tube Fittings

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

159 products

Breather Vents

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

61 products

Lubricating

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

13 products

Containers, Storage, and Furniture

Dust Covers

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

16 products

Syringe Caps

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

13 products

Electrical

Electrical Connector Caps

Protect data connectors when not in use

7 products

Electrical Connector Clips

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

3 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

1 product

Electrical Enclosure Plugs

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

22 products

DIN Rail Caps

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

2 products

Circuit Breaker Box Filler Plates

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

2 products

Safety Equipment

Bearing Guards

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

20 products

Material Handling

Valve Stem Caps

Keep dust and debris out of tire valves

1 product

Conveyor Guide Mounting Rod Caps

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

7 products

Communication

Tamper-Evident Seals

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

2 products

Fastening and Joining

Retaining Rings

Hold components on a shaft

12 products

Facility and Grounds Maintenance

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

4 products