Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

SMC
The SMC 12-CXSM20 is an official catalog model featuring a 20mm bore size from the Dual Piston Rods for Clean Room - 10/11/12/21/22-CXS series, classified under the 12 specification as a clean series with a relief type and specially treated sliding parts. This component incorporates a slide bearing and is configured within the CXS product line to meet exact pneumatic system dimensions. Submit the exact part number, quantity, and application requirements to request a formal quotation.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued SMC references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against SMC 12-CXSM20. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.