Junction Blocks | McMaster-Carr

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1,639 Products

Fluid Handling

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

88 products

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

637 products

Hose

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

1 product

Electrical Power, Networking, and Controlling

Terminal Blocks

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

699 products

Distribution Bars

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

31 products

Distribution Posts

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

4 products

Distribution Blocks

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

47 products

Lubricating

Grease Fitting Junction Blocks

Send different types and amounts of grease from multiple grease fittings to lubricate several points

9 products

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

3 products

Power Transmission

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

28 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products