Joiners | McMaster-Carr

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200 psi @ -350° F

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72,788 Products

Building and Machinery Hardware

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Slip-On Framing and Fittings

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

Flush-Fit Framing and Fittings

Flush-Fit Framing and Fittings

Create smooth stair and platform railings by sliding fittings into rails and tightening the screws

Press-Fit Framing and Fittings

Press-Fit Framing and Fittings

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

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

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

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

Connectors for Telescoping Tubes

Connectors for Telescoping Tubes

Lock tubes in place to create adjustable structures, such as folding stands and extension poles

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

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

Weld-Together Framing and Fittings

Weld-Together Framing and Fittings

Permanently join rails and fittings to assemble heavy duty racks, shelving, and work tables

Brackets

Connect surfaces in an assembly

Panel Hanging Brackets

Panel Hanging Brackets

Mount and remove panels

Grommets

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

Push-to-Close Latches

Push-to-Close Latches

Automatically hold doors shut when you push them closed

Fluid Handling

Pipe and Fittings

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

23,533 products

Pipe Expansion Joints

Pipe Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

Pipe Bleed Rings

Pipe Bleed Rings

Access inside a pipe line to vent pressure, drain liquid, and take samples

Pipe Traps

Create a seal that prevents the backflow of gas

Pipe Stub Ends

Connect a pipe flange to a pipe without needing to weld it in place

Tube Fittings

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

15,749 products

Pipe Joiners

Connect heavy and difficult-to-position gasketed pipe without powered equipment

Hose and Hose Fittings

Hose and Hose Fittings

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

Tube Repair Clamps

Tube Repair Clamps

Mend small holes, cracks, and full-circle breaks in tubing without dismantling your system

Manual On-Off Valves

Manual On-Off Valves

Start and stop flow through a line

Sampling Valves

Sampling Valves

Drain a small amount of liquid or gas for inspection without disrupting flow

Float Valve Bodies

Float Valve Bodies

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

Motor-Actuated On-Off Valves

Motor-Actuated On-Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

Air-Actuated On-Off Valves

Air-Actuated On-Off Valves

Operate on compressed air to start and stop flow faster than motor-driven valves

Solenoid On-Off Valves

Solenoid On-Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

Liquid-Dispensing Metering Valves

Liquid-Dispensing Metering Valves

Program to dispense a specific amount of liquid every time and shut off when set amount is reached

Electrical Power, Networking, and Controlling

Wire Splices, Connectors, and Taps

Wire Splices, Connectors, and Taps

Join wire and protect the connection

Power Connectors

Power Connectors

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

Ballast Connectors

Ballast Connectors

Avoid exposure to live wires when replacing fluorescent ballasts

Mil. Spec. Connectors

Mil. Spec. Connectors

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

USB Connectors

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

D-Sub Connectors

D-Sub Connectors

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

Solenoid Valve Connectors

Solenoid Valve Connectors

Sockets and receptacles to connect solenoid components, such as valves and motors

Strain-Relief Connector Boots

Strain-Relief Connector Boots

Protect connectors and cords from strain, bends, and pulls

Mini Connector Thread Adapters

Mini Connector Thread Adapters

Join two connectors that both have internal threads

Ecomate Connectors

Ecomate Connectors

Connect machine tools, robots, and other vibrating equipment

Audio Connectors

Audio Connectors

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

Coaxial Connectors

Coaxial Connectors

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

CB Radio Connectors

CB Radio Connectors

Sockets and receptacles to connect CB radios

RJ45 Connectors

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

ix Industrial Sockets

ix Industrial Sockets

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

AMP Connectors

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

Molex Connectors

Molex Connectors

Plugs, sockets, and housings for making Molex connections

Breakaway Connectors

Breakaway Connectors

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

Latching Connectors

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

Sure Seal Connectors

Sure Seal Connectors

A PVC housing keeps out liquids and dust and resists chemicals

DMX Connectors

Replace damaged plugs and sockets on lighting cables

Mini Connectors

Mini Connectors

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

Micro 360 Connectors

Micro 360 Connectors

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

Metric Circular Connectors

Metric Circular Connectors

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

Amphenol Connectors

Amphenol Connectors

Attach wires to a circuit board

Han Connectors

Plugs and sockets to make Han connections

HDMI Adapters

Convert one HDMI size or style to another

RJ45 Connector Caps

RJ45 Connector Caps

Protect sockets and maintain the IP67 rating when not in use

HDMI Connector Caps

HDMI Connector Caps

Protect HDMI sockets and maintain their IP rating when not in use

Coaxial Connector Caps

Coaxial Connector Caps

Terminate the end of an unused coaxial cable

USB Connector Caps

USB Connector Caps

Shield unused USB connectors from damage, contaminants, and moisture

Metric Circular Connector Caps

Metric Circular Connector Caps

Keep metric circular connectors safe when they're not in use

Mil. Spec. Connector Caps

Mil. Spec. Connector Caps

Protect Mil. Spec. connectors when they're not in use

Power Connector Caps

Power Connector Caps

Cover pin-and-sleeve power connectors when they're not in use

Mini Connector Caps

Mini Connector Caps

Shield mini connectors when they're not in use

Distribution Bars

Distribution Bars

Route electricity within switchboards and battery banks; also known as bus bars

Power Cords

Connect equipment and devices to a power source

Ethernet Cords

Send data between computers, printers, servers, and switches

Metric Circular Cords

Metric Circular Cords

Send power and signal to equipment with metric connections

Solenoid Valve Cords

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

Fiber-Optic Cords

Fiber-Optic Cords

Connect computers, servers, and switches in a fiber-optic network

Video Adapter Cords

Video Adapter Cords

Send video between devices with different connections

Audio Cords

Hook up speakers to an audio signal

Thunderbolt Cords

Thunderbolt Cords

Transmit data and video at high speeds between PCs, mobile devices, and displays

DMX Cords

Connect to lighting equipment with five-pin XLR connections

Profibus Cords

Transmit data in automation systems and other networks

Coaxial Cords

Transmit audio, video, and data with minimal signal loss

Sensor Signal Adapter Cords

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

DisplayPort Cords

DisplayPort Cords

Send video from computers to monitors and other displays

Mini Cords

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

D-Sub Cords

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

USB Cords

Transfer data between computers, printers, and mobile devices

HDMI Cords

Send high-definition signals to monitors, TVs, and projectors

ix Industrial Cords

ix Industrial Cords

Send data or signals between equipment, such as a servomotor and encoder

Extension Cords

Extension Cords

Extend the reach of power from an outlet

Extension Cord Locks

Extension Cord Locks

Cover mated connectors on extension cords to prevent disconnection

USB Cord Locks

Keep your USB cord from shaking loose or being yanked out

Electrical Connector Holding Tools

Electrical Connector Holding Tools

Hold electrical connectors in place to safely join wires

Terminal Splitters

Terminal Splitters

Divide one male quick-disconnect connection into two

Terminal and Splice Kits

Terminal and Splice Kits

Maintain a supply of extra terminals and splices to join and terminate wire

Terminals, Ferrules, and Lugs

Terminals, Ferrules, and Lugs

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

Terminal Blocks

Terminal Blocks

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

Distribution Blocks

Distribution Blocks

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

Distribution Posts

Distribution Posts

Send power from one source to several devices in a circuit in less space than a distribution block

Terminal Adapters

Terminal Adapters

Convert wire terminals from one connection type or gender to another

Slip Rings

Maintain an electrical link between a moving part and a stationary part

Wire Splice Covers

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

Welding Cable Connectors

Welding Cable Connectors

Plugs and sockets to deliver power to welding cable

DIN Rail Mounting Adapters

DIN Rail Mounting Adapters

Attach to components not made for DIN rail and clip on to install

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Conduit and Fittings

Conduit and Fittings

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

Weatherheads

Bring power into buildings and protect the entry point from rain and snow

Cable Entry Panels

Cable Entry Panels

Pass multiple cords into an enclosure while sealing out moisture, dust, and other contaminants

Grounding Lugs

Create a common grounding path for internal components and circuits, as well as the enclosure body

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

Battery Connectors

Battery Connectors

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

Grounding Blocks

Grounding Blocks

In cabinets and other tight spaces, ground multiple wires at one convenient spot

Circuit Board Terminals

Circuit Board Terminals

Connect wire to circuit boards

Grounding Clamps

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

Battery Terminals

Battery Terminals

Connect cable to battery posts to power vehicles and machines

Grounding Bars

Create a convenient central grounding point by connecting multiple ground wires

EMI/RFI Suppressing Clips

EMI/RFI Suppressing Clips

Shield cable from EMI and RFI that can distort signals; also known as ferrite beads

Circuit Board Connectors

Circuit Board Connectors

Connect flat flexible cable to circuit boards

Jumper Cords

Ready to connect with a terminal at one or both ends

Battery Cords

Connect batteries to each other

Ribbon Switch Termination Kits

Ribbon Switch Termination Kits

Pair with your cut-to-length ribbon switch for a complete system

Fastening and Joining

Wood Joiners

Connect and repair wood pieces and joints

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

Dowel Pin Stock

Dowel Pin Stock

Cut to the length you need for positioning and holding parts in place

Joint Clamps for Wood

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

Studs

Press, weld, or screw in place to add a threaded fastening point

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Binding Barrels

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

Dowel Nuts

Form joints in blind holes in wood

Weld Nuts

Weld to metal surfaces to add permanent threads

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Document Clips

Hold loose papers together without creating a permanent mark

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Panel Clips

Slide over the edge of two or more panels to hold them together without tools or fasteners

Welding Lugs

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

Fabricating and Machining

Clamping Screws

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

Band Clamps

Secure round and oddly shaped workpieces

Pipe Welding Clamps

Pipe Welding Clamps

Position and hold pipe joints for welding and assembly

Clamping Screw Mounting Bases

Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

Clamp Holding Screws

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

Clamp Holding Washers

Clamp Holding Washers

Replace worn washers on open-arm toggle clamps to keep holding screws in place

Corner Clamps

Align and secure materials at a corner joint

C-Clamps

Temporarily secure workpieces together or to a work surface

Magnetic Clamps

Magnetic Clamps

Hold magnetic workpieces at common angles such as 90° or 45°

Pliers Clamps

Clamp and lock workpieces with plier-style jaws for secure handling or transport

Spring Clamps

Hold lightweight materials in place, then squeeze to release

Panel Alignment Clamps

Panel Alignment Clamps

Align and hold sheet metal panels for drilling, riveting, and welding

Toggle Clamps

Lock workpieces onto worktables or objects

Clothespins

Hold light items, secure covers, and seal bags

Swivel Pads

Attach to the ends of screws, threaded studs, or C-clamps to apply even pressure on uneven surfaces

Holders for Locking Pliers

Holders for Locking Pliers

Secure to a table or benchtop and slide in locking pliers for a hands-free way to hold your work

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

Support Blocks

Support setup clamps for quick height adjustments

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

Alignment Locks

Alignment Locks

Precisely align your mold halves

Material Handling

Conveyors

Roller, skate wheel, ball transfer, belt, and vacuum conveyors

Scaffold Clamps

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

Conveyor Belt Lacing Clips

Conveyor Belt Lacing Clips

Hold belt lacing in place during installation

Conveyor Guide Clamps

Conveyor Guide Clamps

Connect conveyor guides to each other and secure them in place

Conveyor Belt Lacing

Conveyor Belt Lacing

Join conveyor belt ends with a strong, reliable connection; easier to install than endless belts

Conveyor Belt Lacers

Conveyor Belt Lacers

Install conveyor belt lacing

Conveyor Belt Lacing Templates

Conveyor Belt Lacing Templates

Guide hole-punching and belt-cutting when installing bolt-on lacing

Conveyor Belt Lacing Pins

Conveyor Belt Lacing Pins

Insert and lock in place to connect belt lacing ends

Conveyor Accessory Mounts

Conveyor Accessory Mounts

Position guides or sensors to the exact spot needed for your conveyor

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

Ring Links

Bend, hammer, or twist closed to connect chain links and attach fittings

Forklift Tie-Down Clamps

Forklift Tie-Down Clamps

Create anchor points on forklift forks to secure loads for transport

Robot Pedestal Adapter Kits

Robot Pedestal Adapter Kits

Attach to square pedestals to support accessories or build a custom cable management system

Power Transmission

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

Belt Joining Kits

Belt Joining Kits

Everything you need to soften belt ends and join them together

V-Belt Connectors

V-Belt Connectors

Join ends of adjustable-length V-belting

Containers, Storage, and Furniture

Toilet Partitions

Toilet Partitions

Separate toilets and urinals for privacy

Toilet Partition Door Hardware

Toilet Partition Door Hardware

Replace the hinges, latches, hooks, and handles on toilet partitions

Toilet Partition Color Samples

Toilet Partition Color Samples

See the color choices before ordering toilet partitions

Toilet Partition Mounting Hardware

Toilet Partition Mounting Hardware

Mount and connect toilet and urinal partition components

Toilet Partition Trim Shoes

Toilet Partition Trim Shoes

Replace the trim shoes on the bottom of toilet partition columns

Metal Panels

Close off openings in structures while allowing air to pass through

Stacking Caps and Targets

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

Measuring and Inspecting

Power Consumption Meters

Power Consumption Meters

Measure the amount of power your devices consume to help calculate energy costs

Load Cell Junction Boxes

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

Micrometer Head Mounting Brackets

Micrometer Head Mounting Brackets

Mount a micrometer head to your jig or fixture to accurately position workpieces

Raw Materials

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

Wood

Commonly used to build ramps, crates, and prototypes or to make repairs

Facility and Grounds Maintenance

Rebar

Reinforces concrete to reduce the chance it will crack from expansion and contraction

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Garden Hose Valves

Garden Hose Valves

Start and stop the flow of water through your garden hose

Lighting

Light Switch/Receptacles

Light Switch/Receptacles

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

Heating, Ventilation, and Air Conditioning

Temperature-Controlled Outlet Adapters

Temperature-Controlled Outlet Adapters

Automatically turn heating and cooling devices on and off as temperatures rise and fall

Safety Equipment

Chain Barrier Links

Chain Barrier Links

Split in half and snap back together to securely connect lengths of chain

Communication

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)