Straight Connectors | McMaster-Carr

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43,812 Products

Most Likely Products

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

270 products

Tube Fittings

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

8,595 products

Power Connectors

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

1,418 products

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

107 products

Pipe and Pipe Fittings

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

16,064 products

Molex Connectors

Plugs, sockets, and housings for making Molex connections

165 products

Metric Circular Cords

Send power and signal to equipment with metric connections

188 products

All Results

Electrical Power, Networking, and Controlling

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

270 products

Power Connectors

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

1,418 products

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

107 products

Molex Connectors

Plugs, sockets, and housings for making Molex connections

165 products

Mil. Spec. Connectors

Meet strict military standards or are compatible with Mil. Spec. connectors

154 products

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

118 products

Coaxial Connectors

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

54 products

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

82 products

AMP Connectors

Build-your-own and ready-to-use AMP connectors

80 products

Mini Connectors

Plugs, sockets, and receptacles send power and control signals to equipment and automated systems

73 products

USB Connectors

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

58 products

Amphenol Connectors

Attach wires to a circuit board

32 products

HDMI Adapters

Convert one HDMI size or style to another

10 products

Solenoid Valve Receptacles

Pair with plugs or sockets to connect solenoid components

9 products

Fiber-Optic Connectors

Join fiber-optic cords that have the same gender and connection type

10 products

Ecomate Connectors

Connect machine tools, robots, and other vibrating equipment

14 products

Video Adapters

Convert from one video connection to another

7 products

Sure Seal Connectors

A PVC housing keeps out liquids and dust and resists chemicals

6 products

Han Connectors

Plugs and sockets to make Han connections

8 products

CB Radio Connectors

Sockets and receptacles to connect CB radios

2 products

DMX Connectors

Replace damaged plugs and sockets on lighting cables

2 products

Audio Connectors

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

20 products

Micro 360 Connectors

Plugs and sockets to make control and data connections in tight spaces

20 products

Ballast Connectors

Avoid exposure to live wires when replacing fluorescent ballasts

2 products

Mini Connector Thread Adapters

Join two connectors that both have internal threads

6 products

DisplayPort Connectors

Connect two DisplayPort cords of the same gender and connection type

1 product

Breakaway Connectors

If pulled or stressed, these disconnect without damaging cables and equipment

3 products

ix Industrial Sockets

Pair with plugs to add ix Industrial connections to printed circuit boards

2 products

Metric Circular Cords

Send power and signal to equipment with metric connections

188 products

D-Sub Cords

Connect computers, monitors, printers, and other devices with DB connections

24 products

Mini Cords

Often used to send power and control signals to automated systems, motors, and pumps

118 products

Ethernet Cords

Send data between computers, printers, servers, and switches

26 products

Video Adapter Cords

Send video between devices with different connections

3 products

Power Cords

Connect equipment and devices to a power source

14 products

USB Cords

Transfer data between computers, printers, and mobile devices

2 products

Breakaway Cords

Disconnect if pulled to prevent stress on cord

6 products

Terminals, Ferrules, and Lugs

Attach to the end of wire to connect circuits in control panels, motors, and machinery

1,202 products

Data Connection Hubs

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

28 products

Patch Panels

Expand and reconfigure a data network when space inside your enclosure is limited

1 product

Electrical Connector Caps

Protect data connectors when not in use

2 products

Welding Cable Connectors

Plugs and sockets to deliver power to welding cable

13 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

7 products

Conduit and Fittings

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

622 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

844 products

Conduit Bumpers

Shield sections of flexible conduit from impact to prevent wear

5 products

Electrical Enclosure Positioning Arms

Hang your human-machine interface and swivel it around to save floor space and access equipment

1 product

Jumper Cords

Ready to connect with a terminal at one or both ends

10 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

28 products

Circuit Board Connectors

Connect flat flexible cable to circuit boards

5 products

Circuit Board Terminals

Connect wire to circuit boards

9 products

Circuit Board Voltage Regulators

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

15 products

Fluid Handling

Tube Fittings

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

8,595 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

354 products

Tube Fitting Clamps

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

144 products

Tube Fitting Sleeves

Pair with nuts and fittings to form a secure connection on tubing

313 products

Tube Supports

Slip into plastic and rubber tubing to prevent them from collapsing

93 products

Tube Fitting Rings

Prevent leaks at tubing connection points

33 products

Tube Fitting Sleeve and Nut Kits

Everything you need to create a tight seal between a metal tube and a Yor-Lok fitting

31 products

Pipe and Pipe Fittings

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

16,064 products

Hose Fittings

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

5,446 products

Hose

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

25 products

Hose Fitting Nuts

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

59 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

17 products

Hose Clamps

Connect hose to barbed hose fittings

8 products

Hose Kink Absorbers

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

1 product

Duct Hose and Fittings

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

67 products

Air Chucks

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

1 product

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products

On-Off Valves

Start and stop flow through a line

3,680 products

Flow-Adjustment Valves

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

3 products

Orifice Valves

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

24 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

25 products

Lubricating

Grease Fitting Adapters

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

27 products

Grease Fittings

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

198 products

Coolant Hose and Fittings

Build a custom system to deliver coolant, cutting oil, water, or air in any direction

139 products

Oil Fittings

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

29 products

Communication

Telephone Connectors

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

12 products

Telephone Splitters

Connect multiple phone lines to a single telephone jack

4 products

Heating, Ventilation, and Air Conditioning

Duct and Fittings

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

1,095 products

Chimney Pipe and Fittings

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

35 products

Diffuser Collars

Connect diffusers to duct

4 products

Fastening and Joining

Welding Lugs

Screw, hammer, or crimp on to secure welding cable connections

11 products

Brazing Rings

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

8 products

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

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

4 products

Vacuum Cleaner Hose Connectors

Link multiple vacuum hoses or attach hose to a central vacuum system

8 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

Building and Machinery Hardware

Strut Channel Brackets

Join strut channel surfaces and corners to route conduit and pipe or build other structures

66 products

T-Slotted Framing and Fittings

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

4 products

Lighting

Light Switch/Receptacles

Combine a switch and receptacle into a single outlet box for a small footprint

3 products

Power Transmission

Shaft Collar Adapters

Sized specifically to adapt standard shaft collars to pipe, creating a tight fit

12 products