3/8 Pipe Adapters | McMaster-Carr

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5,327 Products

Fluid Handling

Pipe Fittings

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

Pipe Nipples and Pipe

Pipe Nipples and Pipe

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

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 Nozzle Swivels

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

Junction Blocks

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

Orifice Valves

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

On-Off Valves

Start and stop flow through a line

Pressure Test Fittings

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

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

Coolant Dispenser Hose and Fittings

Coolant Dispenser Hose and Fittings

Snap together and position to deliver coolant, oil, water, or air in any direction

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Fabricating and Machining

Pipe Threader Die Head Wrenches

Pipe Threader Die Head Wrenches

Pair with a Ridgid die head and dies to cut pipe and conduit threads

Pipe Threaders

Cut external threads in pipe and conduit with ratcheting action or electric power

Pipe Threader Dies

Pipe Threader Dies

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

Pipe Threader Die Heads

Pipe Threader Die Heads

Attach to your Ridgid ratcheting or electric threader to cut external pipe and conduit threads

Facility and Grounds Maintenance

Faucet Aerators

Faucet Aerators

Reduce water use and noise while creating a smooth, powerful spray

Material Handling

Robot Tool Mounts

Robot Tool Mounts

Attach tools or extensions to robot arms

Measuring and Inspecting

Test Lead Clips

Test Lead Clips

For hands-free testing, create a temporary yet secure electrical connection

Power Transmission

Air to Hydraulic Power Units

Air to Hydraulic Power Units

Power a hydraulic cylinder with air to avoid the setup, cost, and mess of hydraulic fluid

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