Reducing Inserts | McMaster-Carr

Filter by

Material

Fitting Type

System of Measurement

Pipe Size

Shape

Thread Type

UN/UNF (SAE Straight)

Gender

Thread Size

Fitting Connection

Quick-Disconnect Clamp

Shaft Diameter

For Use With

Grinders for Bits and Burs

Handheld Power Drills

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

Acetic Acid (White Vinegar) (75% Concentration)

Length

Pipe Schedule

Pipe Material

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

Shaft Type

Connects To

Maximum Pressure @ Temperature

Overall Length

Hex Length

Construction

14,911 Products

Fluid Handling

Pipe and Pipe Fittings

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

5,264 products

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

1,297 products

Manifolds

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

620 products

Hose and Hose Fittings

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

337 products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

3,611 products

Socket Adapters

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

210 products

Electrical Power, Networking, and Controlling

Conduit and Fittings

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

42 products

Raceway Reducers

Connect two different sizes of raceway

5 products

Power Transmission

Bore Reducers

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

31 products

Shaft Couplings

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

2,110 products

Shear Couplings

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

21 products

Shaft Adapters

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

54 products

Machinable Shaft Ends

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

56 products

Rod Ends

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

6 products

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

29 products

Fabricating and Machining

Saw Blade Bushings

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

7 products

Saw Blade Arbor Adapters

Convert a diamond arbor hole to a round arbor hole

1 product

Wheel Brush Arbor Hole Reducers

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

9 products

Flap Wheel Arbor Hole Reducers

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

2 products

Lubricating

Coolant Hose Connectors

Join lengths of coolant hose to components, supply lines, and each other

15 products

Facility and Grounds Maintenance

Dust Collectors

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

6 products

Heating, Ventilation, and Air Conditioning

Duct and Fittings

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

175 products