3⁄8 Air Cylinders | McMaster-Carr

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About Air Cylinders

Select a cylinder, prolong its life by reducing wear, and trigger automated processes with sensors.

Linear Motion Air Cylinders

Double-Acting Round Body Air Cylinders

Push and pull light duty loads. These air cylinders use compressed air to both extend and retract, so they operate at nearly full force in either direction.

Tie Rod Air Cylinders

Rods along the barrel of these cylinders secure the end caps and shield the barrel from impact.

NFPA Tie Rod Air Cylinders

Made to fit the most common mounting footprint, these cylinders have an NFPA (National Fluid Power Association) industry-standard footprint, ensuring easy interchangeability.

Washdown NFPA Tie Rod Air Cylinders

Made with an NFPA industry standard footprint and a stainless steel body, these cylinders are easily interchanged with the most common mounting footprint and withstand chemicals, corrosive solutions, and washdowns.

Compact Tie Rod Air Cylinders

Get the power and stroke of other tie rod cylinders in less than half the space.

Enclosed-Body ISO Air Cylinders

An extruded-aluminum body means these cylinders have no open spaces for debris to collect. They have an ISO industry-standard footprint to match common mounting patterns for easy interchangeability.

Corrosion-Resistant ISO Tie Rod Air Cylinders

Our most corrosion-resistant air cylinders, these cylinders are made of stainless steel for use in wet environments.

Enclosed-Body NFPA Air Cylinders

An extruded-aluminum body means these cylinders have no open spaces for debris to collect.

Enclosed-Body Load Responsive
Cushion Air Cylinders

These cylinders have self-adjusting cushions that automatically compensate for changes in load and speed.

Locking Tie Rod Air Cylinders

Halt actuation at a moment’s notice—these air cylinders have an end lock that acts as an emergency stop. If there's a sudden loss of air pressure, the end lock engages to safely hold the load.

Rodless Air Slides

With no external moving parts, these air slides provide a long stroke, but have a static footprint—only the carriage on top moves.

Flexible-Mount Air Cylinders

Threaded through-holes in each corner allow you to mount these cylinders directly to equipment or mount with attachments.