1 Pipe Size Connectors | McMaster-Carr

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4,120 Products

Most Likely Products

Pipe Fittings

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

Conduit Box Connectors

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

Tube Fittings

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

Hose Fittings

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

Conduit Bodies

Access wiring to pull, splice, or redirect it

All Results

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 Flanges

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

Rotary Unions

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

Pipe Collars

Clamp pipe passing through floors and walls

Expansion Joints

Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

Pipe Bushings

Sized specifically to adapt standard shaft collars to pipe, creating a tight fit

Tube Fittings

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

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

Tube End Caps

Cover the ends of tube to keep out dirt and debris

Tube End Plugs

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

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

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

Hose End Caps

Cover the ends of hose to keep out dirt and debris

Manifolds

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

Junction Blocks

Junction Blocks

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

Flow Sights

Visually confirm flow and inspect liquid color and clarity

Flowmeters

Measure the flow rate of a liquid or gas

Pressure Test Fittings

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

Orifice Valves

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

Electrical

Conduit Box Connectors

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

Conduit Bodies

Access wiring to pull, splice, or redirect it

Conduit-to-Conduit Connectors

Conduit-to-Conduit Connectors

Join pieces of conduit

Conduit Locknuts

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

Conduit

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

Conduit Bushings

Conduit Bushings

Guard wiring from sharp edges at the ends of conduit

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Building and Machinery Hardware

Slip-On Framing and Fittings

Slip-On Framing and Fittings

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

Grommets

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

Lubricating

Oil Fittings

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

Material Handling

Beam Clamps

Secure lines of pipe and duct, overhead equipment, and lighting fixtures to beam flanges

Fastening and Joining

Brazing Rings

Snap into metal pipe and tubing to form leak-resistant joints more quickly than with hand-fed alloys

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