Metal Pipe Fittings | McMaster-Carr

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Compressed Non-Asbestos Synthetic Fiber

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Adjustable-Angle Elbow

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RoHS

Compliant with Exemptions

Not Compliant

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Compliant

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DFARS Specialty Metals

Compliant

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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Corrosion-Resistant Coated

Enamel Coated

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Nut Finish

Molybdenum Disulfide Coated

Nickel Plated

Zinc Plated

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Inner Ring Material

41,197 Products

Fluid Handling

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

19,027 products

Tube Fittings

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

8,770 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

58 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

122 products

Tube Fitting Clamps

Quickly secure connections between tube fittings, including sanitary and high-vacuum fittings

142 products

Tube Fitting Sleeves

Pair with nuts and fittings to form a secure connection on tubing

38 products

Tube Fitting Rings

Prevent leaks at tubing connection points

33 products

Tube End Plugs

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

20 products

Tube Fitting Sleeve and Nut Kits

Everything you need to create a tight seal between a metal tube and a Yor-Lok fitting

16 products

Tube Supports

Slip into plastic and rubber tubing to prevent them from collapsing

74 products

Tube Sampling Ports

Take samples from sanitary tubing without pausing or contaminating your line

2 products

Hose Fittings

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

4,223 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

24 products

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

3 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

129 products

Hose Clamps

Connect hose to barbed hose fittings

5 products

Hose End Plugs

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

9 products

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

605 products

Pipe Repair Clamps

Fix small holes and cracks in pipe without taking your system apart

244 products

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

28 products

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

88 products

Pipe Joiners

Connect heavy and difficult-to-position gasketed pipe without powered equipment

1 product

Tube Crimpers

Create a leak-tight seal between tubing and fittings without heat or solder

25 products

Pipeline Fluid Blockers

Temporarily block the flow between pipe flanges as you work downstream; also known as paddle blinds

47 products

Tube Repair Clamps

Mend small holes, cracks, and full-circle breaks in tubing without dismantling your system

18 products

Hose Kink Absorbers

Prevent hose from kinking to ensure maximum flow and extend hose life

1 product

On-Off Valves

Start and stop flow through a line

2,461 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

281 products

Air Valves

Fill tanks, tires, and other pressurized equipment

22 products

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

806 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

41 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

95 products

Breather Vents

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

96 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

31 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

17 products

Building and Machinery Hardware

Slip-On Framing and Fittings

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

385 products

Clamp-On Framing and Fittings

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

199 products

Flush-Fit Framing and Fittings

Create smooth stair and platform railings by sliding fittings into rails and tightening the screws

10 products

Press-Fit Framing and Fittings

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

57 products

Protective Caps

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

109 products

Protective Plugs

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

85 products

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

8 products

Lubricating

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

41 products

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

360 products

Grease Fitting Junction Blocks

Send different types and amounts of grease from multiple grease fittings to lubricate several points

9 products

Grease Fitting Repair Tools

Remove and repair broken or clogged grease fittings and re-tap threaded holes

2 products

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

3 products

Grease Fitting Cleaning Tools

Flush out old grease, dirt, and debris from clogged fittings

2 products

Grease Fitting Installation Tools

Tap to insert grease fittings in unthreaded holes

2 products

Grease Gun Tips

Attach to grease gun nozzles and direct a stream of lubricant into grease fittings on machinery

63 products

Grease Gun Nozzles

Replace nozzles on grease guns

103 products

Grease Gun Tip Adapters

Quickly switch between standard, button-head, and flush-style grease fittings

15 products

Grease Gun Couplers

Extend the dispensing tip on grease guns to lubricate angled and hard-to-reach areas

6 products

Oil Fittings

Install in engine blocks and other machinery to pour in oil while keeping dust out

36 products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

27 products

Standoff Caps

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

66 products

Quick-Release Pin Receptacles

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

36 products

Quick-Release Pin Retaining Caps

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

23 products

Pipe Wrenches

Grasp and turn pipe, conduit, and fittings

115 products

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

4 products

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

21 products

Sink Drain Tailpieces

Connect drains to P-traps and S-traps

11 products

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products

Toilet Mounts

Secure toilet components with flanges and hardware kits

13 products

Manhole Riser Rings

Raise a manhole cover to make it level with the surface

4 products

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

2 products

Safety Equipment

Fire Hydrants

Fight fires in areas around your facility that city-installed hydrants don’t reach

4 products

Fire Post Indicators

Open and close water supply valves for fire systems buried underground or in a wall

2 products

Fabricating and Machining

Pipe Groovers

Form grooves in pipe ends for on-site installation and maintenance

2 products

Fixture Plate Plugs

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

6 products

Material Handling

Vacuum Fittings

Connect to vacuum cups and compressed air to create suction; also known as venturi devices

14 products

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

2 products

Measuring and Inspecting

Pipe Size Measuring Kits

Connect to pipe and fittings to determine their size without additional measuring tools

4 products

Heating, Ventilation, and Air Conditioning

Chimney Pipe and Fittings

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

15 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Plugs

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

5 products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

274 products

Containers, Storage, and Furniture

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

6 products

Power Transmission

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

28 products