L-Connectors | McMaster-Carr

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8,847 Products

Fluid Handling

Tube Fittings

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

3,466 products

Pipe Fittings

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

1,820 products

Rotary Unions

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

94 products

Hose and Hose Fittings

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

438 products

Building and Machinery Hardware

Strut Channel Structural Brackets

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

102 products

Bolt-Together Framing Structural Brackets

Connect the surfaces and corners of bolt-together rails to build guards, tables, and racks

10 products

Bolt-Together Framing Panel Hangers

Install panels on bolt-together framing rails to create guards and partitions

1 product

Bolt-Together Framing Rails

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

13 products

Press-Fit Framing Connectors

Tap into place with a hammer to join two or more press-fit rails

4 products

T-Slotted Framing Structural Brackets

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

93 products

Flush-Fit Framing Elbows

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

1 product

Slip-On Framing and Fittings

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

62 products

Clamp-On Framing and Fittings

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

2 products

Brackets

Connect surfaces in an assembly

64 products

Grommets

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

33 products

Electrical

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

159 products

Electrical Receptacles

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

28 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

60 products

Terminals

Attach wire endings everywhere from circuit breaker panels to batteries

35 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

7 products

Electrical Cords

Connect equipment and devices to a power supply

193 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

257 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

30 products

Cable Entry Panels

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

120 products

Interference Suppressing Clips

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

64 products

Conduit and Conduit Fittings

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

234 products

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

43 products

Measuring and Inspecting

Micrometer Head Mounting Brackets

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

8 products

Lubricating

Grease Fitting Adapters

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

4 products

Grease Fittings

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

55 products

Oil Fittings

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

7 products

Coolant Dispenser Hose and Fittings

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

9 products

Facility and Grounds Maintenance

Gutters

Catch rainwater and divert it away from a building to protect its foundation

8 products

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

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

202 products