Reducing Adapters | McMaster-Carr

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15,350 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 Flanges

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

Pipe Plugs

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

Pipe Locknuts

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

Expansion Joints

Expansion Joints

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

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

Pipe Fitting Clamps

Pipe Fitting Clamps

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

Tube Fittings

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

Hose and Hose Fittings

Hose and Hose Fittings

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

Manifolds

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

Diverting Valves

Diverting Valves

Redirect flow between ports

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

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

Raceway and Raceway Fittings

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

Transformers

Raise or lower voltage to meet the needs of an individual circuit

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Facility and Grounds Maintenance

Dust Collectors

Dust Collectors

Extract sawdust, chips, and other particles from the air and contain them for disposal

Power Transmission

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

Shaft Couplings

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

Shear Couplings

Shear Couplings

Sever the connection between shafts when there's too much torque to protect parts from breaking

Machinable Shaft Ends

Machinable Shaft Ends

Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts

Bearing Adapter Sleeves

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Compressed Air Regulator Manifolds

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

Lubricating

Coolant Dispenser Hose and Fittings

Coolant Dispenser Hose and Fittings

Snap together and position to deliver coolant, oil, water, or air in any direction

Fabricating and Machining

Wheel Brush Arbor Hole Reducers

Wheel Brush Arbor Hole Reducers

Adjust arbor hole size so it'll fit the shaft of your tool

Flap Wheel Arbor Hole Reducers

Flap Wheel Arbor Hole Reducers

Reduce the arbor hole size on flap wheels so they'll fit the shaft of your tool

Saw Blade Arbor Adapters

Saw Blade Arbor Adapters

Convert a diamond arbor hole to a round arbor hole

Saw Blade Bushings

Saw Blade Bushings

Shrink the diameter of your saw blade's arbor hole to fit your saw's arbor

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Duct and Duct Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

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