Metal Plumbing Fittings | McMaster-Carr

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17,511 Products

Fluid Handling

Pipe and Pipe Fittings

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

3,768 products

Tube Fittings

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

7,311 products

Tube End Plugs

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

86 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

23 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

64 products

Tube Fitting Sleeve and Nut Kits

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

31 products

Tube Fitting Sleeves

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

226 products

Hose and Hose Fittings

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

2,534 products

Manifolds

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

5 products

On-Off Valves

Start and stop flow through a line

2,260 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

5 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

2 products

Filter Housings

Use with filter cartridges to remove particles from liquid

47 products

Facility and Grounds Maintenance

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

21 products

Sink Drain Traps

Retain a small amount of water to keep sewer gas from escaping

17 products

Sink Drain Tailpieces

Connect drains to P-traps and S-traps

11 products

Sink Drains

Empty liquids from sinks into sewer lines

34 products

Sink Drain Trap Extension Tubing

Add to a drain tailpiece when it doesn’t reach the trap

6 products

Dual-Connection Sink Drain Outlets

Connect two drains to a single outlet

4 products

Faucet Spouts

Deliver drinking water from sinks

4 products

Faucet Shut-Off Rods

Nudge the rod to turn water on and release to turn off without touching handles

2 products

Faucet Spout Thread Adapters

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

4 products

Faucet Aerators

Reduce water use and noise while creating a smooth, powerful spray

25 products

Faucet Pedals

Start and stop water with your foot or knee to keep your hands free

15 products

Faucet Handles

Fit most faucet cartridges to turn water on and off

5 products

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products

Floor, Wall, and Ceiling Plates

Add a finishing touch around protruding pipes; also known as escutcheons

22 products

Glassware Rinsers

Rinse the inside of glasses, tubes, or beakers with a simple press

2 products

Riser Tubes

Connect shut-off valves to sink faucets and toilet tanks

4 products

Grease Traps

Remove and retain grease from waste water to prevent blockages in plumbing lines

2 products

Sediment Traps

Catch debris in pipelines before it enters your sewage system or water heater

2 products

Safety Equipment

Fire Hydrants

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

4 products

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

6 products

Fire Post Indicators

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

2 products

Building and Machinery Hardware

Grommets

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

8 products