Brass Pipe Fittings | McMaster-Carr

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12,900 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Pipe and Fittings

Brass and Bronze Threaded Pipe and Fittings

High-Pressure Brass and Bronze Threaded Pipe Fittings

Strong enough for pressures up to 3,900 psi

882 products

Low-Pressure Brass and Bronze Threaded Pipe Fittings

For pressures up to 300 psi

711 products

Standard-Wall Brass and Bronze Threaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 40

438 products

High-Pressure Brass and Bronze Threaded Pipe Nipples and Pipe

Strong enough for pressures up to 2,170 psi

140 products

High-Pressure Brass and Bronze Threaded Pipe Fittings with Sealant

Male threads have sealant applied for extra leak protection in high-pressure lines

79 products

Medium-Pressure Brass and Bronze Threaded Pipe Fittings

For pressures up to 700 psi

119 products

High-Pressure Brass and Bronze Threaded Pipe Fittings for Drinking Water

NSF/ANSI rated for drinking water systems up to 1,200 psi

124 products

Precision High-Pressure Brass and Bronze Threaded Pipe Fittings

The tightest tolerances of our brass pipe fittings; also known as instrumentation fittings

127 products

Low-Pressure Brass and Bronze Threaded Pipe Fittings with Sealant

Male threads have sealant for extra leak protection in low-pressure lines

60 products

Miniature High-Pressure Brass and Bronze Threaded Pipe Fittings

No bigger than an inch to fit in high-pressure lines with limited space

25 products

Thick-Wall Brass and Bronze Threaded Pipe Nipples and Pipe

Pair with high-pressure fittings; also known as Schedule 80

144 products

High-Pressure Brass and Bronze Threaded Pipe Nipples and Pipe for Drinking Water

NSF/ANSI rated for drinking water systems up to 1,000 psi

11 products

Universal-Thread Medium-Pressure Brass and Bronze Threaded Pipe Fittings

Compatible with the most common thread types for when you're unsure which one you need

22 products

High-Pressure Brass and Bronze Threaded Pipe Nipples and Pipe with Sealant

Male threads have sealant applied for extra leak protection in high-pressure lines

16 products

Easy-Install High-Pressure Brass and Bronze Threaded Pipe Fittings

Install and remove with a socket wrench or hex key

15 products

Standard-Wall Brass and Bronze Threaded Pipe Nipples and Pipe with Sealant

Threads have sealant applied for extra leak protection in low-pressure lines; known as Schedule 40

88 products

Miniature Low-Pressure Brass and Bronze Threaded Pipe Fittings

Less than an inch to fit in low-pressure lines with limited space

16 products

Low-Pressure Brass and Bronze Threaded Pipe Flanges

Create an access point in lines up to 225 psi; also known as Class 150 flanges

14 products

Standard-Wall Brass and Bronze Threaded Pipe Nipples and Pipe for Drinking Water

NSF/ANSI rated for drinking water systems; also known as Schedule 40

68 products

Standard-Wall Brass and Bronze Threaded Pipe Nipples and Pipe Assortments for Drinking Water

Keep various lengths of NSF/ANSI-rated pipe on hand

11 products

Brass and Bronze Threaded Cleanout Plugs

Close off your drain cleanout pipe

17 products

Brass and Bronze Threaded Laboratory Pipe Flanges

Add a connection for stop cocks, needle valves, and nozzles

5 products

Iron and Steel Threaded Pipe and Fittings

Low-Pressure Iron and Steel Threaded Pipe Fittings

For pressures up to 300 psi

27 products

Low-Pressure Threaded Pipe Fittings for Joining Dissimilar Metals

A plastic sleeve prevents corrosion when connecting different types of metal

19 products

Galvanized Iron and Steel Threaded Pipe and Fittings

Low-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

For pressures up to 300 psi

23 products

Brass and Bronze Unthreaded Pipe and Fittings

Low-Pressure Brass and Bronze Braze-Socket Pipe Fittings

Braze to pipe for a strong connection in lines up to 200 psi; also known as Silbraze fittings

35 products

Standard-Wall Brass and Bronze Unthreaded Pipe Nipples and Pipe

Braze to low-pressure pipe and fittings for a strong, leak-free connection; known as Schedule 40

32 products

Low-Pressure Brass and Bronze Unthreaded Pipe Flanges

Create an access point in lines up to 225 psi; also known as Silbraze flanges

12 products

Plastic Pipe and Fittings

Thick-Wall Plastic Pipe Fittings for Water

Withstand heavy duty applications, such as water processing; also known as Schedule 80

22 products

Standard-Wall Plastic Pipe Fittings for Water

The industry standard for low-pressure water lines; also known as Schedule 40

4 products

Rubber Drain Pipe Plugs

Seal unthreaded pipe ends

6 products

Other Products

Tube Fittings

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

5,141 products

Hose Fittings

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

1,485 products

Thread Adapters

Join threads of a different type, size, and gender

16 products

Manual On/Off Valves

Start and stop flow through a line

969 products

Breather Vents

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

28 products

Fire Hose Fittings

Mount your fire hose to hydrants and washdown equipment, or join lengths of hose

66 products

Grease Fitting Adapters

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

12 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

74 products

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

31 products

Hose Fitting Nuts

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

2 products

Orifice Valves

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

321 products

Air Valves

Fill tanks, tires, and other pressurized equipment

17 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

38 products

Air Chucks

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

5 products

Grease Fittings

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

31 products

Drain Valves

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

36 products

Manifolds

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

65 products

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

21 products

Rotary Joints

Transfer air, water, oil, and steam from supply lines to continuously revolving drums and rollers

24 products

Solenoid On/Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

378 products

Faucet Spout Thread Adapters

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

4 products

Pressure Test Plugs

Tighten onto equipment to check pressure without permanently installing a gauge

4 products

Garden Hose Valves

Start and stop the flow of water through your garden hose

10 products

Oil Fittings

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

1 product

Conduit and Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

43 products

Standoff Caps

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

1 product

Grease Gun Nozzles

Replace nozzles on grease guns

55 products

Electrical Enclosure Plugs

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

4 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

3 products

Fixture Plate Plugs

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

1 product

Grease Fitting Junction Blocks

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

2 products

Grease Gun Tip Adapters

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

4 products

Motor-Actuated On/Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

5 products

Grease Gun Tips

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

36 products

Air-Actuated On/Off Valves

Operate on compressed air to start and stop flow faster than motor-driven valves

65 products

Pipe Wrenches

Grasp and turn pipe, conduit, and fittings

19 products

Sink Drain Tailpieces

Connect drains to P-traps and S-traps

7 products

Toilet Mounts

Secure toilet components with flanges and hardware kits

6 products