Plastic End Caps | McMaster-Carr

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4,209 Products

Building and Machinery Hardware

Protective Plugs

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

467 products

Protective Caps

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

844 products

T-Slotted Framing End Caps

Snap onto T-slotted rail ends to cover sharp edges and keep out dust

33 products

T-Slotted Framing Seals

Fill gaps around doors and panels to keep air, dust, and liquid out of T-slotted framing structures

24 products

T-Slotted Framing Covers

Block dust and debris from entering T-slotted rails; add a wear- or slip-resistant surface

24 products

Strut Channel Caps and Plugs

Cover strut channel ends to protect from sharp edges

50 products

Strut Channel Covers

Close off the channel to create a raceway for cable or add a finished look

14 products

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

1 product

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

1 product

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

1 product

Press-Fit Framing and Fittings

Set up temporary partitions, guards, and displays using only a hammer

1 product

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

11 products

Leveling Mount Inserts

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

77 products

Protective Feet

Add to furniture and light equipment to protect floors from scratches and wear

84 products

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

10 products

Fluid Handling

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 Flanges

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

37 products

Pipe Fittings

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

4 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

69 products

Tube End Plugs

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

155 products

Tube Fittings

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

626 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

1,018 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

5 products

Electrical

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

26 products

DIN Rail Spacers

Slide along rails to separate and organize terminal blocks, relays, and other components

1 product

DIN Rail Caps

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

2 products

DIN Rail Stops

Keep components such as terminal locks and relays from shifting on rails

8 products

Electrical-Insulating Wire Caps

Cover live wire ends to protect against shock from accidental contact

3 products

Electrical Connector Caps

Protect data connectors when not in use

7 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 Connector Clips

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

3 products

Battery Vent Caps

Flip open to check water levels and fill wet-cell batteries

1 product

Material Handling

Conveyor Guide Mounting Rod Caps

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

7 products

Valve Stem Caps

Keep dust and debris out of tire valves

1 product

Fabricating and Machining

Clamp Holding Screw Tips

Cover metal holding screws to protect workpieces from scratches

2 products

Vise Jaw Liners

Place over vise jaws to protect workpieces from marring

4 products

Containers, Storage, and Furniture

Pegboard Hook End Caps

Slide onto the end of pegboard hooks to protect items from scratches

2 products

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

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

12 products

Facility and Grounds Maintenance

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

4 products

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products

Faucet Hole Covers

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

1 product

Lubricating

Coolant Dispenser Hose and Fittings

Snap together and position to deliver coolant, oil, water, or air in any direction

2 products

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

13 products

Fastening and Joining

Retaining Rings

Hold components on a shaft

12 products

Communication

Tamper-Evident Seals

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

2 products