We have available; chucks and thru-hole cylinders made by MMK Matsumoto Corp. Click here to go to MMK Matsumoto's Website.

Stephens Dynamics Inc. special hydraulic and pneumatic rotating cylinders can fulfill a tremendous variety of engineering applications. Our individually designed cylinders are very durable due to non-rotating port connections. There are no fragile rods for rotating couplings and no oscillating or wobbly target dogs to cause vibration or premature failure. SDI has experienced Regional Factory Sales Representatives who can help with your onsite cylinder and engineering needs along with our in house engineering personnel. Customizing our state of the art standard cylinders, incorporating special features and custom designs are routine for Stephens Dynamics Inc. We can incorporate many of our high-performance features as well as special light-weight rotating actuator designs which can be achieved through our vast library of cylinder products.

Multiple Versatility in all styles of Special Rotating Cylinders - fast acting, reciprocating oil body, stroke detection with through port, duplex, non-standard stroke, tailrods, prox targets or trip dog, special piston rods and transfer line cylinders.

Built-in Lock Checks provide maximum protection Internal check valves trap operating pressure in cylinder in case of power or hydraulic system failure. Our Lock Checks also work in "Hi/Lo" applications. Easy replacement cartridges ideal for quick maintenance.

Tailrod Option specials can be equipped with a tailrod to sense piston position, i.e.. automatic loading applications.

Individually Balanced Cylinders symmetrically and dynamically to enhance high speed operation in vertical, horizontal and inverted applications for smooth quiet machine operation and improved part finishes.

Directly Interchanges with many existing cylinder mountings for quick easy replacement of your old style cylinders.

High Speed Rotation currently up to 7000 RPMS on all bore sizes with future engineering for higher speeds.

Cylinder Performance test sheets and installation instructions for your convenience shipped with every cylinder.

Warranty 1 year from date of purchase.

Extended Warranties also available. Contact factory for details. Complete service repair center for all Stephens Dynamics Inc. special cylinders. Service response time (both sales and product) is a point of pride with us. We also repair all competitors cylinders including ITW, LMC, SP Sheffer, Auto Bloc and many other cylinder makes.