3/8"-24 Adapters | McMaster-Carr

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Stainless Steel

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UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

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For Adapting

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For Use With

Grinders for Wheels and Cones

Handheld Power Drills

Fitting Connection

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DFARS Specialty Metals

Export Control Classification Number (ECCN)

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Compliant with Exemptions

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Internal Flared

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587 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

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

Hose Fitting Nuts

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

Air Chucks

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

Hose Crimpers

Crimp ferrules onto hose to secure fittings

Pressure Test Fittings

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

On-Off Valves

Start and stop flow through a line

Thermocouple and RTD Mounts

Thermocouple and RTD Mounts

Join thermocouple connectors and probes that have different connection types

Fabricating and Machining

Drill Chuck Arbors

Drill Chuck Arbors

Attach drill chucks to machine spindles

Grinder Spindle Adapters

Grinder Spindle Adapters

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

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

Gear and Bearing Puller Forcing Screws

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

Building and Machinery Hardware

Positioning Arms

Positioning Arms

Mount and position tools, small electronics, and displays

Control Cables

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

Power Transmission

Rod Ends

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

Air Cylinders

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

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.)