1/4"-20 Adapters | McMaster-Carr

Filter by

System of Measurement

Thread Size

Gender

Material

Grade 2 Titanium

Stainless Steel

Hex Length

Thread Length

Hex Size

Pipe Size

Thread Type

Shape

For Adapting

Thread Direction

Length

Pitch

For Tap Thread Size

Drive Style

Threading

Threaded on Both Ends

Finish

Phosphate Coated

OD

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 1A

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Screw Size

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Hardness

Nut Type

How can we improve?

768 Products

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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Tube-Connecting Nuts

Tube-Connecting Nuts

Push inside tubes to join them with a threaded stud instead of welding

Weld Nuts

Weld to metal surfaces to add permanent threads

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Studs

Press, weld, or screw in place to add a threaded fastening point

Building and Machinery Hardware

Tripod Head Adapters

Tripod Head Adapters

Mount ball-grip components such as arms and device grips to the top of tripods

Positioning Arms

Positioning Arms

Mount and position tools, small electronics, and displays

Leveling Mount Inserts

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

Fabricating and Machining

Flap Wheel Arbors

Flap Wheel Arbors

Attach flap wheels to tools that accept a shank; also known as mandrels

Flap Wheel Adapters

Flap Wheel Adapters

Adapt flap wheels with a threaded stud to tools that have a threaded spindle

Pipe Threader Dies

Pipe Threader Dies

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

Fluid Handling

Orifice Valves

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

Material Handling

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

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