Joint Connectors | McMaster-Carr

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19,892 Products

Fluid Handling

Tube Fittings

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

13,921 products

Tube Fitting Sleeves

Tube Fitting Sleeves

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

Tube Fitting Nuts

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

Tube End Caps

Cover the ends of tube to keep out dirt and debris

Tube End Plugs

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

Pipe Fittings

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

Rotary Unions

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

Expansion Joints

Expansion Joints

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

Hose Fittings

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

Hose Nozzle Swivels

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

On-Off Valves

Start and stop flow through a line

Float Valve Bodies

Float Valve Bodies

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

Fastening and Joining

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

Wood Screws

Fasten material to wood or pieces of wood to each other

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Dowel Nuts

Form joints in blind holes in wood

Bit Sockets

Turn fasteners with an internal drive style without slipping and damaging the drive

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Building and Machinery Hardware

Slip-On Framing Connectors

Slip-On Framing Connectors

Tighten onto slip-on framing rails to build guards, railings, and racks

T-Slotted Framing Structural Brackets

T-Slotted Framing Structural Brackets

Join T-slotted rail surfaces and corners to build virtually any structure

T-Slotted Framing Braces

T-Slotted Framing Braces

Reinforce joined corners of T-slotted rails for a sturdier connection than structural brackets

T-Slotted Framing Brace Ends

T-Slotted Framing Brace Ends

Pair with a T-slotted rail to make a brace of any length

Flush-Fit Framing Connectors

Flush-Fit Framing Connectors

Join flush-fit framing rails to build smooth stair and platform railings

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

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

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

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

Joint Covers

Shield rotating joints to keep lubricants in and contaminants out

Power Transmission

Rod Ends

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

Swivel Joints

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

U-Joints

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

Pivot Bearings

Best for applications that require small, precise oscillating motion with limited twisting

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

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

Material Handling

Hitch Inserts

Fit into hitch receivers and secure with a hitch pin to create a connection for towing

Hitch Balls

Mount to hitch inserts and use with hitch receivers and couplers to tow trailers

Hitch Pins

Secure hitch inserts to hitch receivers for towing

Hitch Receivers

Hitch Receivers

Use with hitch inserts and pins to create a complete hitch for towing

Hitch-Ball Couplers

Hitch-Ball Couplers

Bolt or weld to trailers and connect to hitch balls on vehicles for towing

Hitch-Ball Coupler Locks

Hitch-Ball Coupler Locks

Insert into the hitch-ball coupler latch or socket on your trailer to prevent theft

Tow Eyes

Mount to trailers and connect to tow hooks or drawbar couplers on vehicles for towing

Tow Hooks

Bolt to vehicles and connect to tow eyes on trailers for towing

Drawbar Couplers

Drawbar Couplers

Use with drawbar rings to connect trailers to vehicles; also known as pintle hitches

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Duct and Duct Fittings

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

Safety Equipment

Safety Railing Connectors

Safety Railing Connectors

Build custom safety rail structures with tees, elbows, crosses, and more

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