Steel Pipe Adapters | McMaster-Carr

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Material

Stainless Steel

Pipe Material

Stainless Steel

System of Measurement

Pipe Size

Fitting Type

Reducing Adapter

Thread Type

UN/UNF (SAE 45°)

Fitting Connection

Expand to Connect

O-Ring Face Seal

Push to Connect

Gender

For Use With

Abrasive Materials

Pharmaceuticals

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (10% Concentration)

Pipe Schedule

Connects To

Corrugated Pipe

Railroad Tank Car

Flange Material

Stainless Steel

Fitting Material

Stainless Steel

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

Tube Material

Stainless Steel

Sleeve Material

Stainless Steel

Nut Material

Stainless Steel

Body Material

303 Stainless Steel

Plug Material

Stainless Steel

Socket Material

Stainless Steel

Thread Material

Latch Material

Stainless Steel

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23,353 Products

Fluid Handling

Pipe Fittings

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

Pipe Nipples and Pipe

Pipe Nipples and Pipe

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

Pipe Plugs

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

Pipe Flanges

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

Pipe Collars

Clamp pipe passing through floors and walls

Pipe Fitting Clamps

Pipe Fitting Clamps

Connect easy-access and grooved-end pipe fittings to pipe

Pipe Bleed Rings

Pipe Bleed Rings

Access inside a pipe line to vent pressure, drain liquid, and take samples

Tube Fittings

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

Tube Fitting Clamps

Tube Fitting Clamps

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

Tube End Caps

Cover the ends of tube to keep out dirt and debris

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

Tube End Plugs

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

Tube Sampling Ports

Tube Sampling Ports

Take samples from sanitary tubing without pausing or contaminating your line

Hose Fittings

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

Hose Nozzle Swivels

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

Hose Clamps

Connect hose to barbed hose fittings

Manifolds

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

Hose Kink Absorbers

Hose Kink Absorbers

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

Air Chucks

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

Junction Blocks

Junction Blocks

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

Hose Crimpers

Crimp ferrules onto hose to secure fittings

Tube Crimpers

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

Pressure Test Fittings

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

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

Measuring and Inspecting

Hose Coupling Size-Identification Kits

Hose Coupling Size-Identification Kits

Match your hose coupling to one of the plugs to determine its size without measuring

Heating, Ventilation, and Air Conditioning

Chimney Pipe and Fittings

Chimney Pipe and Fittings

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)