Plastic End Caps | McMaster-Carr

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Hastelloy C276 Nickel

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Crimp-On Hose Ferrule

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4,330 Products

Building and Machinery Hardware

Protective Caps

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

855 products

Protective Plugs

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

467 products

T-Slotted Framing End Caps

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

36 products

T-Slotted Framing Slot Covers

Block dust and debris from entering T-slotted rails

12 products

T-Slotted Framing Seals

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

21 products

T-Slotted Framing Wear Strips

Slide into a T-slot to add a slippery, abrasion-resistant surface

9 products

T-Slotted Framing Antislip Treads

Push into a T-slot to add traction to a rail

6 products

Strut Channel Caps

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

12 products

Bolt-Together Framing End Caps

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

1 product

Locking-Slotted Framing End Caps

Snap onto locking-slotted rails to protect the ends and keep out dust and grime

1 product

Press-Fit Framing End Caps

Push into press-fit rails for a finished look that keeps out debris

1 product

Clamp-On Framing End Caps

Fit into the end of clamp-on framing rails to use as a cover or foot

1 product

Slip-On Framing End Caps

Cover the rough ends of slip-on framing rails for a finished look

11 products

Protective Feet

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

98 products

Leveling Mount Inserts

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

77 products

Leveling Mounts

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

10 products

Fluid Handling

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

439 products

Tube Fittings

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

863 products

Hose Fittings

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

137 products

Hose

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

825 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

70 products

Breather Vents

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

2 products

Electrical Power, Networking, and Controlling

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

22 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

USB Connector Caps

Shield unused USB connectors from damage, contaminants, and moisture

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

Metric Circular Connector Caps

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

2 products

Power Connector Caps

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

4 products

Data Port Plugs

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

1 product

Data Port Locks

Block USB or Ethernet ports from unauthorized use

9 products

Battery Vent Caps

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

1 product

Electrical Insulating Wire Caps

Cover live wire ends to protect against shock from accidental contact

3 products

Heating, Ventilation, and Air Conditioning

Duct End Caps

Close off a length of duct

6 products

Duct Vent Caps

Reduce downdrafts and prevent obstructions from entering vents

6 products

Containers, Storage, and Furniture

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

Dust Covers

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

16 products

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

Fixture Plate Plugs

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

2 products

Tooling Ball Covers

Protect tooling balls when not in use

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

1 product

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

4 products

Lubricating

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

13 products

Coolant Hose and Fittings

Build a custom system to deliver coolant, cutting oil, water, or air in any direction

6 products

Communication

Tamper-Evident Seals

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

2 products