1/2"-20 Adapters | McMaster-Carr

Filter by

System of Measurement

Thread Size

Gender

Material

Stainless Steel

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Fitting Type

Reducing Adapter

Shape

Pipe Size

Dash Size

Hex Length

Thread Length

Fitting Connection

Push to Connect

For Adapting

Connects To

Hex Size

Tube OD

Specifications Met

Flare Style

Internal Flared

Length

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

For Use With

Hydraulic Fluid

Hydraulic Fluid (Petroleum Based)

Isopropyl Alcohol

Phosphoric Acid

Pitch

Tube Material

Stainless Steel

How can we improve?

413 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

Weld Nuts

Weld to metal surfaces to add permanent threads

Fluid Handling

Pipe Fittings

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

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

On-Off Valves

Start and stop flow through a line

Fabricating and Machining

Gear and Bearing Puller Forcing Screws

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

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

Air Cylinder Mounts

Air Cylinder Mounts

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

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