Male Connectors | McMaster-Carr

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43,854 Products

Most Likely Products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

1,004 products

Tube Fittings

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

10,280 products

Electrical Cords

Connect equipment and devices to a power supply

1,944 products

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

433 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

176 products

All Results

Electrical

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

1,004 products

Electrical Cords

Connect equipment and devices to a power supply

1,944 products

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

433 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

176 products

Electrical Connector Contacts

Crimp wire into pins and sleeves to create custom Molex or Amphenol connectors

5 products

Terminals

Attach wire endings everywhere from circuit breaker panels to batteries

120 products

Data Connection Hubs

Add USB, DisplayPort, or HDMI ports to your computer to connect multiple device

26 products

Development Board Cords

Connect your development board to components such as sensors and actuators

1 product

Outlet Strips

Plug in multiple devices to power them from a single outlet

117 products

Electrical Cord Adapters

Change the electrical connection style between an outlet and your equipment

27 products

Electrical Connector Caps

Protect data connectors when not in use

7 products

Electrical Connector Seals

Add to the front or back of connectors to block out dust, debris, and weather

5 products

Terminal Splitters

Divide one male quick-disconnect connection into two

4 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

1 product

Wire Splices

Join wire and protect the connection

1 product

Circuit Board Terminals

Connect wire to circuit boards

9 products

Electrical Cord Circuit Interrupter Converters

Hardwire to extension cords to protect against electric shock in wet areas

4 products

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

487 products

Conduit

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

287 products

Conduit-to-Conduit Connectors

Join pieces of conduit

76 products

Conduit Bushings

Guard wiring from sharp edges at the ends of conduit

9 products

Conduit Bumpers

Shield sections of flexible conduit from impact to prevent wear

5 products

Voltage Adapters

Change AC voltage to DC voltage to power a device

285 products

Inverters

Transform DC voltage to power devices that run on AC voltage; prevent overload damage

3 products

Circuit Board Voltage Regulators

Power circuits from a high-voltage source without frying your system

15 products

Battery Connectors

Quickly make and break connections between a battery and a charger or equipment

5 products

Fluid Handling

Tube Fittings

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

10,280 products

Tube End Plugs

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

250 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

15 products

Tube Fitting Rings

Prevent leaks at tubing connection points

6 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

5 products

Pipe Fittings

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

5,346 products

Pipe Nipples and Pipe

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

7,362 products

Rotary Unions

Transfer air, water, oil, and steam from supply lines to continuously revolving drums and rollers

104 products

Pipe Flanges

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

26 products

Hose Fittings

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

5,375 products

Hose

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

142 products

Hose Fitting Nuts

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

20 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

24 products

Hose End Plugs

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

41 products

Air Chucks

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

11 products

Hose Kink Absorbers

Prevent garden hose from kinking to ensure maximum water flow and extend hose life

1 product

Duct Hose and Fittings

Connect to blowers and vacuums to move air, fumes, dust, chips, and liquids

16 products

Manifolds

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

1 product

Orifice Valves

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

49 products

On-Off Valves

Start and stop flow through a line

882 products

Diverting Valves

Redirect flow between ports

2 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

3 products

Thermocouple and RTD Fittings

Alter probe immersion depth or adapt unthreaded connections for use with threaded tanks and heads

50 products

RTD Connectors

Attach plug-in connectors to RTD probes with wire leads

1 product

Thermocouple and RTD Mounts

Join thermocouple connectors and probes that have different connection types

12 products

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

6 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

28 products

Flowmeters

Measure the flow rate of a liquid or gas

6 products

Flow Sights

Visually confirm flow and inspect liquid color and clarity

8 products

Communication

Telephone Splitters

Connect multiple phone lines to a single telephone jack

4 products

Telephone Connectors

Replace the plug on your phone cord, or extend your line by connecting cords together

7 products

Telephone Cords

Connect telephones to data outlets

9 products

Microphone Connectors

Replace or adapt your current microphone connector to fit your system

4 products

Microphone Cords

Plug your microphone into an amplifier or speaker

4 products

Lubricating

Grease Fitting Adapters

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

41 products

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

365 products

Coolant Dispenser Hose and Fittings

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

173 products

Coolant Nozzles

Dispense coolant onto workpieces or tools directly from a tank

83 products

Coolant Hose and Nozzle Adapters

Connect threaded coolant hose and nozzles to coolant supply ports on equipment such as CNC machines

4 products

Oil Fittings

Install in engine blocks and other machinery to pour in oil while keeping dust out

35 products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

2,465 products

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

1,600 products

Jack Screws

Secure computer cables and panels

24 products

Fabric Snaps

Join soft, heavy fabrics such as leather and canvas

54 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

Drum Vents

Prevent drum failure by releasing pressure and vacuum buildup

7 products

Drum Plugs

Seal drum lid openings

19 products

Drum Plug Caps

Access inside drums to fill them

1 product

Syringe Thread Adapters

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

3 products

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

702 products

Diffuser Collars

Connect diffusers to duct

4 products

Chimney Pipe and Fittings

Exhaust hot air and fumes from boilers, furnaces, and stoves

28 products

Measuring and Inspecting

Hose Coupling Size-Identification Kits

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

1 product

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

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

4 products

Power Transmission

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

493 products

Lighting

Lamp Pipe

Connect lamp components and conceal wires when building or repairing lamps

3 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

6 products