Rubber Connectors | McMaster-Carr

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DFARS Specialty Metals

23,924 Products

Most Likely Products

Tube Fittings

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

9,065 products

Metric Circular Cords

Send power and signal to equipment with metric connections

289 products

Hose Fittings

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

4,794 products

All Results

Fluid Handling

Tube Fittings

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

9,065 products

Tube Fitting Rings

Prevent leaks at tubing connection points

33 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

54 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

37 products

Tube Fitting Sleeves

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

40 products

Tube End Plugs

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

41 products

Tube Fitting Clamps

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

33 products

Tube Supports

Slip into plastic and rubber tubing to prevent them from collapsing

15 products

Hose Fittings

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

4,794 products

Hose

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

104 products

Hose Clamps

Connect hose to barbed hose fittings

8 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

133 products

Hose End Plugs

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

13 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

2 products

Pipe and Pipe Fittings

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

1,973 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

8 products

Air Chucks

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

7 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products

On-Off Valves

Start and stop flow through a line

2,481 products

Diverting Valves

Redirect flow between ports

2 products

Float Valve Bodies

Pair with floats and rods to create float valves that meet your needs

71 products

Orifice Valves

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

4 products

Flow-Adjustment Valves

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

3 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

31 products

Thermocouple Connector Covers

Shield thermocouple connectors from dust and debris

1 product

Thermocouple Cords

Extend the reach of thermocouple probes

6 products

Thermocouple and RTD Fittings

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

2 products

Flow Sights

Visually confirm flow and inspect liquid color and clarity

118 products

Strainers

Install next to valves and pumps to catch debris in your line

4 products

Electrical

Metric Circular Cords

Send power and signal to equipment with metric connections

289 products

Ethernet Cords

Send data between computers, printers, servers, and switches

175 products

Mini Cords

Often used to send power and signal to automated systems, motors, and pumps

129 products

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

6 products

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

2 products

Power Cords

Connect equipment and devices to a power source

24 products

Extension Cords

Extend the reach of power from an outlet

118 products

Jumper Cables

Jump-start a dead battery

6 products

Power Connectors

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

306 products

Metric Circular Connectors

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

14 products

D-Sub Connectors

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

8 products

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

9 products

Welding Cable Connectors

Plugs and sockets to deliver power to welding cable

9 products

Mini Adapters

Create a branch off a main cord or connect multiple devices with mini connections to a single port

5 products

Han Connectors

Stackable plugs and sockets to make Han connections

2 products

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

2 products

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

8 products

Electrical Connector Caps

Protect data connectors when not in use

34 products

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

46 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

8 products

Binding Posts

Test circuits before making permanent connections

1 product

Outlet Strips

Plug in multiple devices to power them from a single outlet

4 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

1,109 products

Conduit and Conduit Fittings

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

21 products

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

3 products

Electrical Enclosure Positioning Arms

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

1 product

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

4 products

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

15 products

Wire Stripper/Crimpers

Strip wire and crimp connectors with one tool

3 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

8 products

Building and Machinery Hardware

Positioning Arms

Mount and position tools, small electronics, and displays

29 products

Tripod Head Adapters

Mount ball-grip components such as arms and device grips to the top of tripods

1 product

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

583 products

T-Slotted Framing and Fittings

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

73 products

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

3 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

3 products

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

1 product

Press-Fit Framing and Fittings

Set up temporary partitions, guards, and displays using only a hammer

1 product

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

70 products

Joint Covers

Shield rotating joints to keep lubricants in and contaminants out

24 products

Brackets

Connect surfaces in an assembly

1 product

Mechanical Control Cables

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

8 products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

12 products

Standoffs

Separate, position, or connect components in assemblies

23 products

Rivets

Join materials together permanently, especially when too thin or fragile to fasten with screws

6 products

Power Transmission

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

16 products

Rod Ends

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

111 products

Swivel Joints

Handle shaft misalignment where ball joint rod ends won’t fit; also known as spherical bearings

10 products

Shear Couplings

Sever the connection between shafts when there's too much torque to protect parts from breaking

21 products

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

201 products

Shaft Coupling Covers

Shield rigid shaft couplings from dirt, water, and lubricants to extend their life

13 products

U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

28 products

Round Belts

Flexible to send rotary power between unparallel shafts

2 products

Belt Joining Kits

Everything you need to soften belt ends and join them together

12 products

Roller Chain Links

Join chain lengths together

6 products

Material Handling

Cable Ties

Bundle and secure cable, wire, and hose; also known as zip ties

12 products

S-Hooks

Connect lengths of rope and chain; hang objects like hose, cords, and light fixtures

1 product

Heating, Ventilation, and Air Conditioning

Duct and Fittings

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

65 products

Chimney Pipe and Fittings

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

3 products

Lubricating

Grease Gun Tips

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

1 product

Grease Gun Nozzles

Replace nozzles on grease guns

20 products

Grease Gun Couplers

Extend the dispensing tip on grease guns to lubricate angled and hard-to-reach areas

2 products

Grease Guns

Manually inject lubrication through grease fittings on equipment and machinery

16 products

Grease Fittings

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

4 products

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

1 product

Safety Equipment

Hard Hat Chin Straps

Hold your hard hat securely in place

3 products

Tool Lanyards

Tether tools to your harness so they don't fall if dropped

1 product

Fall-Arrest Anchors

Fasten to a beam or ceiling and your fall-arrest lanyard to catch you if you fall

1 product

Containers, Storage, and Furniture

Drum Plugs

Seal drum lid openings

16 products

Drum Vents

Prevent drum failure by releasing pressure and vacuum buildup

7 products

Drum Faucets

Control the flow of liquid from drums, tanks, carboys, and other containers

5 products

Communication

Label Holders

Mount onto shelves, bins, and other surfaces to display labels

12 products

Sealing

Drum Plug Gaskets

Form a tighter seal in drum openings than with a drum plug alone

5 products