End Covers | McMaster-Carr

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8,085 Products

Building and Machinery Hardware

Protective Caps

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

1,045 products

Protective Plugs

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

1,011 products

Bolt-Together Framing Caps

Cover the rough ends of bolt-together framing rails for a finished look

1 product

T-Slotted Framing End Caps

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

39 products

T-Slotted Framing Seals

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

44 products

T-Slotted Framing Mounts

Connect tubes, switches, casters, and other components to T-slotted rails

18 products

T-Slotted Framing Covers

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

28 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

111 products

Clamp-On Framing and Fittings

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

1 product

Slip-On Framing and Fittings

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

25 products

Press-Fit Framing and Fittings

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

2 products

Locking-Slotted Framing and Fittings

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

1 product

Protective Feet

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

161 products

Leveling Mount Inserts

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

81 products

Cam Latch Covers

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

3 products

Door Tracks

Hang panels to slide over openings when there’s not space for a swinging door

8 products

Fluid Handling

Tube End Caps

Cover the ends of tube to keep out dirt and debris

375 products

Tube End Plugs

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

224 products

Tube Fittings

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

2 products

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

606 products

Pipe Flanges

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

209 products

Pipe Plugs

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

1,389 products

Pipe Fittings

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

4 products

Hose and Hose Fittings

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

270 products

Breather Vents

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

14 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

248 products

Thermocouple Connector Covers

Shield thermocouple connectors from dust and debris

1 product

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

73 products

Electrical

DIN Rail Spacers

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

1 product

DIN Rail Stops

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

11 products

DIN Rail Caps

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

2 products

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

26 products

Electrical-Insulating Wire Caps

Cover live wire ends to protect against shock from accidental contact

3 products

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

18 products

Cold-Shrink Tubing End Caps

Seal crimped electrical connections without heat or tools to protect against moisture

4 products

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

394 products

Electrical Connector Clips

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

4 products

Electrical Connector Caps

Protect data connectors when not in use

78 products

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

18 products

Terminal Covers

Block out dirt and corrosion to protect battery terminals

20 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

Distribution Bars

Route electricity within switchboards and battery banks; also known as bus bars

20 products

Battery Vent Caps

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

1 product

Capacitor Boots

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

3 products

Programmable Logic Controller End Plates

Pair with PLCs to tell your processor there are no more inputs or outputs; protect PLCs from debris

1 product

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

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

145 products

Chimney Pipe and Fittings

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

21 products

Air Conditioner Service Valve Caps

Seal off AC service valves to prevent refrigerant from leaking out

2 products

Fabricating and Machining

Clamp Holding Screw Tips

Cover metal holding screws to protect workpieces from scratches

12 products

Tweezer Tip Caps

Protect tweezer tips from damage

1 product

Fixture Plate Plugs

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

1 product

Power Transmission

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

16 products

Die Spring Screw Caps

Brace springs and control tension in die sets while simplifying maintenance

10 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Lubricating

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

14 products

Coolant Dispenser Hose and Fittings

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

2 products

Fastening and Joining

Retaining Rings

Hold components on a shaft

25 products

Cartridge Sealing Caps

Slip over the tips of adhesive and sealant cartridges to keep contents from hardening

1 product

Standoff Caps

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

66 products

Material Handling

Valve Stem Caps

Keep dust and debris out of tire valves

2 products

Rope Ends

Prevent unraveling or seal ends that are starting to come apart

9 products

Conveyor Guide Mounting Rod Caps

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

7 products

Containers, Storage, and Furniture

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

Syringe Caps

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

13 products

Pegboard Hook End Caps

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

2 products

Pipette Tip Filters

Trap contaminants when dispensing samples in labs and other sanitary environments

2 products

Facility and Grounds Maintenance

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

2 products

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

4 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

4 products

Communication

Tamper-Evident Seals

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

2 products