Brass Pipe Adapters | McMaster-Carr

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11,351 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

Medium-Pressure Brass and Bronze Threaded Pipe Fittings

For pressures up to 700 psi

119 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

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

High-Pressure Brass and Bronze Threaded Pipe Nipples and Pipe

Strong enough for pressures up to 2,170 psi

140 products

Standard-Wall Brass and Bronze Threaded Pipe Nipples and Pipe

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

438 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

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

Install and remove with a socket wrench or hex key

15 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

Miniature Low-Pressure Brass and Bronze Threaded Pipe Fittings

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

16 products

Thick-Wall Brass and Bronze Threaded Pipe Nipples and Pipe

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

144 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

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

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

Brass and Bronze Threaded Laboratory Pipe Flanges

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

5 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

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

Brass and Bronze Threaded Cleanout Plugs

Close off your drain cleanout pipe

17 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

Iron and Steel Threaded Pipe and Fittings

Low-Pressure Threaded Pipe Fittings for Joining Dissimilar Metals

A plastic sleeve prevents corrosion when connecting different types of metal

19 products

Low-Pressure Iron and Steel Threaded Pipe Fittings

For pressures up to 300 psi

27 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

Rubber Drain Pipe Plugs

Seal unthreaded pipe ends

6 products

Standard-Wall Plastic Pipe Fittings for Water

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

4 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

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

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

Other Products

Tube Fittings

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

5,092 products

Hose Fittings

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

1,888 products

Thread Adapters

Join threads of a different type, size, and gender

13 products

Grease Fitting Adapters

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

12 products

Conduit Straights

Join conduit of different sizes and types, or attach conduit to a knockout in electrical boxes

41 products

Faucet Spout Thread Adapters

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

4 products

Manual On-Off Valves

Start and stop flow through a line

327 products

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

21 products

Manifolds

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

56 products

Garden Hose Valves

Start and stop the flow of water through your garden hose

9 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

3 products

Air Chucks

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

5 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products