Air Pistons | McMaster-Carr

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4,790 Products

About Air Cylinders

Double-Acting Round Body Air Cylinders

Create linear motion with the most popular of our air cylinders.

Single-Acting Round Body Air Cylinders

More basic and cost effective than double-acting cylinders, these single-acting cylinders exert force in one direction and have a spring to return the rod to its original position.

Sensor-Ready Round Body Air Cylinders

The magnetic piston inside these cylinders can activate relays and controllers when used with a sensor.

Impact-Resistant Aluminum
Round Body Air Cylinders

Miniature Threaded-Body Air Cylinders

These cylinders thread directly into your equipment, taking minimal space.

Round Body Air Cylinders for Narrow Spaces

Also known as pancake cylinders, these deliver as much force as other cylinders, but with a shorter stroke to function in small spaces.

Cushioned Round Body Air Cylinders

Designed to keep the piston from slamming against the cylinder body, these cylinders have adjustable air cushions at each end to minimize wear and noise.

Subminiature Round Body Air Cylinders

At less than two inches in length, these cylinders actuate small devices in spots where other cylinders don’t fit.

Double-Ended Round Body Air Cylinders

Unlike other air cylinders that push and pull one object, these double-ended cylinders push one object while pulling another.

Round Body Air Cylinders for Washdown

Able to resist corrosive solutions and chemical environments, these cylinders withstand washdown conditions.

Short-Stroke Clamping Air Cylinders

Also known as air clamps, these cylinders are used to apply force in holding applications.

Impact-Resistant Brass Round Body Air Cylinders

Metric Double-Acting Round Body Air Cylinders

Ultra-Chemical-Resistant Air Cylinders

Often used for opening, closing, and positioning applications in areas where splash-back or fumes from aggressive chemicals are a concern, these durable PVC cylinders withstand acids and alkalies.

Tie Rod Air Cylinders

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

Sensor-Ready Tie Rod Air Cylinders

Cushioned Tie Rod Air Cylinders

Compact Tie Rod Air Cylinders

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

Impact-Resistant Compact Tie Rod Air Cylinders

Nonrotating Compact Tie Rod Air Cylinders

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.

Enclosed-Body NFPA Tie Rod Air Cylinders

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

Nonrotating NFPA Tie Rod Air Cylinders

Cylinders have two parallel piston rods that prevent twisting as they extend and retract.

Enclosed-Body Load Responsive
Cushion Tie Rod Air Cylinders

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

Flexible-Mount Air Cylinders

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

Thin-Profile Flexible-Mount Nonrotating Air Cylinders

Load-Stopping Air Cylinders

Control the movement of loads on your conveyor—the rod on these air cylinders extends to stop loads and retracts to let them pass.