3/8"-24 Adapters | McMaster-Carr

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Product Family

Gear and Bearing Puller Forcing Screws

Grinder Spindle Adapters

Hose Crimpers

Hose Fittings

Mechanical Control Cables

Pipe and Fittings

Pipe Threader Dies

Positioning Arms

Pressure Test Fittings

Rod Ends

Thermocouple and RTD Mounts

Thread Adapters

System of Measurement

Thread Size

Material

Gender

Thread Type

UN/UNF (SAE Straight)

Fitting Type

Hex Length

Shape

Pipe Size

For Use With

Electrical Discharge Machines

Fuel Gases

Grinders for Wheels and Cones

Hammer Drills

Handheld Power Drills

Thread Length

Length

Fitting Connection

Hex Size

Dash Size

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

RoHS

Compliant

Compliant with Exemptions

Tube OD

REACH

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

For Adapting

Flare Style

Connects To

Tube Material

693 Products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

193 products

Threaded Inserts

Create new threads or repair stripped threads

55 products

Weld Nuts

Weld to metal surfaces to add permanent threads

29 products

Fluid Handling

Tube Fittings

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

41 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

12 products

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

2 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

1 product

Pipe Plugs

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

4 products

Pressure Test Plugs

Tighten onto equipment to check pressure without permanently installing a gauge

4 products

Thermocouple and RTD Mounts

Join thermocouple connectors and probes that have different connection types

5 products

Fabricating and Machining

Grinder Spindle Adapters

Convert grinder spindles to thread sizes that work with grinding wheels and sanding discs

1 product

Flap Wheel Adapters

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

1 product

Drill Chuck Arbors

Attach drill chucks to machine spindles

2 products

Drill Chucks

Connect drill bits to hand-held drills, drill presses, and milling machines

26 products

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

1 product

Pipe Threader Dies

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

1 product

Building and Machinery Hardware

Positioning Arms

Mount and position tools and other small equipment

22 products

Mechanical Control Cables

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

6 products

Power Transmission

Air Cylinders

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

177 products

Air Cylinder Mounts

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

7 products

Rod Ends

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

87 products