1/4"-28 Adapters | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Gender

Thread Type

UN/UNF (SAE Straight)

Fitting Type

Reducing Adapter

Shape

Pipe Size

For Use With

Air-Powered Drills

Cordless Drills

Electric Drills

Acetic Acid (White Vinegar)

Hydrochloric Acid

Phosphoric Acid

Sodium Hypochlorite (Bleach)

Fitting Connection

Push to Connect

Hex Length

For Adapting

Thread Direction

Length

Thread Length

REACH

Connects To

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Hex Size

Thread Pitch

Tube ID

Tube OD

For Tap Thread Size

OD

ID

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829 Products

Fluid Handling

Pipe and Fittings

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

Tube Fittings

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

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Weld Nuts

Weld to metal surfaces to add permanent threads

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

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

Grease Fitting Repair Tools

Grease Fitting Repair Tools

Remove and repair broken or clogged grease fittings and re-tap threaded holes

Grease Gun Tips

Grease Gun Tips

Attach to grease gun nozzles and direct a stream of lubricant into grease fittings on machinery

Grease Gun Nozzles

Grease Gun Nozzles

Replace nozzles on grease guns

Containers, Storage, and Furniture

Syringe Thread Adapters

Syringe Thread Adapters

Change connections on syringes, dispensing tips, and needles to luer lock or threaded connections

Fabricating and Machining

Drill Head Adapters

Drill Head Adapters

Adjust the cutting angle of your drill to get into recessed and hard-to-reach spots

Pipe Threader Dies

Pipe Threader Dies

Install in the die head on your Ridgid pipe threader to cut external pipe and conduit threads

Power Transmission

Rod Ends

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

Air Cylinder Mounts

Air Cylinder Mounts

Secure air cylinders to surfaces with brackets, rod clevises, and flanges

Air Cylinders

Push and pull loads to do everything from stamping materials to sorting parts on conveyors

Building and Machinery Hardware

Mechanical Control Cables

Mechanical Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

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