Brass Thread Adapters | McMaster-Carr

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14,814 Products

Most Likely Products

Pipe and Pipe Fittings

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

3,254 products

Hose Fittings

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

1,956 products

Tube Fittings

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

5,772 products

Thread Adapters

Join threads of a different type, size, and gender

23 products

Conduit and Cord Grip Thread Adapters

Connect to fittings and openings that have a different thread type

31 products

All Results

Fluid Handling

Pipe and Pipe Fittings

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

3,254 products

Hose Fittings

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

1,956 products

Hose Fitting Nuts

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

55 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

3 products

Tube Fittings

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

5,772 products

Tube Supports

Slip into plastic and rubber tubing to prevent them from collapsing

53 products

Tube Fitting Clamps

Quickly secure connections between tube fittings, including sanitary and high-vacuum fittings

9 products

Tube End Plugs

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

3 products

Air Chucks

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

5 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products

Manifolds

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

56 products

On-Off Valves

Start and stop flow through a line

336 products

Orifice Valves

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

336 products

Diverting Valves

Redirect flow between ports

11 products

Pressure Test Plugs

Tighten onto equipment to check pressure without permanently installing a gauge

4 products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

23 products

Standoffs

Separate, position, or connect components in assemblies

207 products

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

16 products

MIG Gun Gas Diffusers

Evenly distribute shielding gas for high-quality MIG welds

8 products

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

1 product

Brazing Rings

Snap into metal pipe and tubing to form leak-resistant joints more quickly than with hand-fed alloys

5 products

Electrical

Conduit and Cord Grip Thread Adapters

Connect to fittings and openings that have a different thread type

31 products

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

6 products

Coaxial Connectors

Plugs, sockets, and receptacles to make coaxial connections

15 products

Amphenol Connectors

Attach wires to a circuit board

15 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

10 products

Molex Connectors

Plugs, sockets, and housings for making Molex connections

22 products

DMX Connectors

Replace damaged plugs and sockets on lighting cables

2 products

Audio Connectors

Plugs, sockets, receptacles, and adapters to make audio connections

11 products

USB Sockets

Pair with plugs to make USB connections

1 product

Circuit Board Connectors

Connect flat flexible cable to circuit boards

10 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

1 product

Terminal Splitters

Divide one male quick-disconnect connection into two

4 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

10 products

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

8 products

Battery Terminal Adapters

Convert one battery terminal style to another

1 product

Lubricating

Grease Fitting Adapters

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

12 products

Grease Gun Tip Adapters

Quickly switch between standard, button-head, and flush-style grease fittings

4 products

Grease Gun Tips

Attach to grease gun nozzles and direct a stream of lubricant into grease fittings on machinery

36 products

Grease Gun Nozzles

Replace nozzles on grease guns

55 products

Coolant Nozzles

Dispense coolant onto workpieces or tools directly from a tank

5 products

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

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

4 products

Faucet Aerators

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

25 products

Sink Faucets

Manual and touch-free faucets for janitorial, restroom, and food service sinks

1 product

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

21 products

Containers, Storage, and Furniture

Syringe Thread Adapters

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

2 products

Aerosol Spray Extensions

Snap onto aerosol spray cans to extend their reach

2 products

Measuring and Inspecting

Test Lead Adapters

Change tip styles to take different measurements with the same test leads

4 products

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

11 products

Test Lead Clips

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

4 products

BNC Adapters

Convert a BNC cord to a double banana connector so it can be used with electrical testers

5 products

Power Transmission

Air Cylinders

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

1,421 products

Rod Ends

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

133 products

Flexible Shafts

Snake around curves and obstructions to transmit rotary motion along any path

10 products

Material Handling

Valve Stems

Snap into tubeless tire rims to create an air inlet

4 products

Safety Equipment

Eye Wash Stations

Flush contaminants from your eyes or face using water or solutions

9 products

Fabricating and Machining

Wheel Brush Arbors

Mount wheel brushes with an arbor hole to hand-held drills and die grinders; also known as mandrels

1 product

Vise Jaw Liners

Place over vise jaws to protect workpieces from marring

1 product

Building and Machinery Hardware

Mechanical Control Cables

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

3 products

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

61 products

Lighting

Light Sockets

Install or replace sockets in fixtures for standard household, tubular, compact, or miniature bulbs

3 products