Thread Adapters | McMaster-Carr

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Dry Abrasive Materials

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

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Threading

Threaded on Both Ends

Threaded on One End

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DFARS Specialty Metals

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Compliant with Exemptions

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For Tap Thread Size

Specifications Met

API Std 607 Edition 5

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Finish

Zinc Phosphate Coated

Zinc Plated

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26,550 Products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

3,607 products

Threaded Inserts

Create new threads or repair stripped threads

828 products

Weld Nuts

Weld to metal surfaces to add permanent threads

133 products

Fluid Handling

Pipe Fittings

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

9,013 products

Pipe Nipples and Pipe

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

5,999 products

Pipe Flanges

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

304 products

Pipe Plugs

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

89 products

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

8 products

Pipe Locknuts

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

2 products

Hose Fittings

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

5,621 products

Hose Clamps

Connect hose to barbed hose fittings

2 products

Tube and Tube Fittings

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

123 products

Air Chucks

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

8 products

Junction Blocks

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

77 products

On-Off Valves

Start and stop flow through a line

1 product

Diverting Valves

Redirect flow between ports

15 products

Sampling Valves

Drain a small amount of fluid for inspection without disrupting flow

5 products

Thermocouple and RTD Mounts

Join thermocouple connectors and probes that have different connection types

18 products

Thermocouple Connector Adapters

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

10 products

Electrical

Conduit and Cord Grip Thread Adapters

Connect to fittings and openings that have a different thread type

44 products

Containers, Storage, and Furniture

Drum Plug Adapters

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

1 product

Syringe Thread Adapters

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

3 products

Lubricating

Grease Fitting Adapters

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

2 products

Measuring and Inspecting

Probe Stylus Accessories

Add components that extend length, adapt threads, or hold multiple styli at once

1 product

Hose Coupling Size-Identification Kits

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

1 product

Variance Indicator Contact Point Adapters

Convert variance indicators to work with inch-size contact points or measure hard-to-reach spots

2 products

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

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

4 products

Fabricating and Machining

Gear and Bearing Puller Step-Plate Adapters

Provide a surface for forcing screws on pullers to push against

11 products

Gear and Bearing Puller Shaft Protectors

Prevent forcing screws on pullers from causing damage

5 products