Thread Adapters | McMaster-Carr

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26,298 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

Pipe Nipples and Pipe

Pipe Nipples and Pipe

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

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

Pipe Plugs

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

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

Hose Fittings

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

Hose Clamps

Connect hose to barbed hose fittings

Air Chucks

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

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Junction Blocks

Junction Blocks

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

Diverting Valves

Diverting Valves

Redirect flow between ports

Sampling Valves

Sampling Valves

Drain a small amount of fluid for inspection without disrupting flow

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

Thermocouple Connector Adapters

Thermocouple Connector Adapters

Convert round-pin male connectors to flat-pin male connectors

Electrical

Conduit and Cord Grip Thread Adapters

Conduit and Cord Grip Thread Adapters

Connect to fittings and openings that have a different thread type

Containers, Storage, and Furniture

Drum-Plug Adapters

Drum-Plug Adapters

Screw into plastic drum openings to replace threads that can become damaged with frequent use

Syringe Thread Adapters

Syringe Thread Adapters

Change connections on syringes, dispensing tips, and needles to luer lock or threaded connections

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

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

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

Fabricating and Machining

Gear and Bearing Puller Step-Plate Adapters

Gear and Bearing Puller Step-Plate Adapters

Provide a surface for forcing screws on pullers to push against

Gear and Bearing Puller Shaft Protectors

Gear and Bearing Puller Shaft Protectors

Prevent forcing screws on pullers from causing damage

Measuring and Inspecting

Hose Coupling Size-Identification Kits

Hose Coupling Size-Identification Kits

Match your hose coupling to one of the plugs to determine its size without measuring

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