Steel End Caps | McMaster-Carr

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Material

Hastelloy C276 Nickel

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UN/UNF (SAE Straight)

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Tube OD

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Gender

Length

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Compliant with Exemptions

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Tube Material

Fitting Material

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5,957 Products

Fluid Handling

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

362 products

Pipe Plugs

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

841 products

Pipe Flanges

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

159 products

Pipe Fittings

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

288 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

259 products

Tube End Plugs

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

83 products

Tube Fittings

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

277 products

Hose and Hose Fittings

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

2,002 products

Breather Vents

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

5 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

238 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

65 products

Building and Machinery Hardware

Strut Channel Framing and Fittings

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

44 products

Press-Fit Framing Caps

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

1 product

Protective Caps

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

52 products

Protective Plugs

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

173 products

Leveling Mount Inserts

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

36 products

Protective Feet

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

22 products

Heating, Ventilation, and Air Conditioning

Duct End Caps

Close off a length of duct

103 products

Duct Vent Caps

Reduce downdrafts and prevent obstructions from entering vents

26 products

Chimney Pipe and Fittings

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

12 products

Fastening and Joining

Retaining Rings

Hold components on a shaft

25 products

Standoff Caps

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

64 products

Quick-Release Pin Retaining Caps

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

23 products

Quick-Release Pin Receptacles

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

35 products

Containers, Storage, and Furniture

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

6 products

Fabricating and Machining

Fixture Plate Plugs

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

1 product

Power Transmission

Die Spring Screw Caps

Brace springs and control tension in die sets while simplifying maintenance

10 products

Electrical

Electrical Connector Caps

Protect data connectors when not in use

10 products

DIN Rail Stops

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

4 products

Facility and Grounds Maintenance

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

2 products

Faucet Hole Covers

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

1 product