CRFK-M12X1,25 – Self-Aligning Quick Coupling – Festo Piston-Rod Attachments

USD $ 73.71 USD $ 60.44

SKU: Festo 2305779

Manufacturer Part Number: Festo 2305779
Festo Piston-Rod Attachments: CRFK-M12X1,25
OEM Spec Ref 

The Festo CRFK-M12X1,25, with MPN 2305779, is a precision-engineered Self-Aligning Rod Coupler designed to ensure optimal alignment and secure coupling in pneumatic systems. This piston-rod attachment is particularly suited for automated environments where precision and reliability are paramount.

Key Features:

  • Self-Aligning Design: Automatically adjusts to ensure perfect alignment, significantly reducing installation time and minimizing the risk of system errors.
  • Robust Construction: Made with high-quality materials to withstand rigorous industrial applications and prolong service life.
  • Easy Integration: Features a straightforward installation process compatible with a variety of pneumatic cylinders and actuators.
  • Enhanced Durability: Engineered to resist wear and tear in tough industrial conditions, ensuring long-term reliability.


  • Increased System Efficiency: Provides consistent and reliable connection, enhancing the overall efficiency of pneumatic operations.
  • Reduced Maintenance Costs: The self-aligning feature minimizes mechanical stress and wear, lowering maintenance needs and costs.
  • Improved Production Quality: Ensures precise alignment of components, which is crucial for high-quality production outputs in automated processes.


  • Automated Assembly Lines: Ideal for robotic arms and assembly lines where precision and reliability are needed.
  • Manufacturing and Fabrication: Used in various manufacturing processes to ensure accurate motion and force application.
  • Testing Equipment: Suitable for systems requiring precise control during testing and inspection phases.

The Festo CRFK-M12X1,25 stands out as a top choice for enhancing the performance and reliability of pneumatic systems, offering superior alignment capabilities that are essential for modern industrial applications.

Technical Data

Feature Specification
Size M12x1.25
Corrosion resistance class (CRC) 4 – Particularly high corrosion stress
LABS (PWIS) conformity VDMA24364-B2-L
Suitability for the production of Li-ion batteries Metals with more than 5% copper, zinc or nickel by mass are excluded from use. Exceptions are nickel in steel, chemically nickel-plated surfaces, printed circuit boards, cables, electrical plug connectors and coils
Ambient temperature -20 °C … 100 °C
Product weight 230 g
Note on materials RoHS-compliant
Housing material High-alloy stainless steel
Threaded bolt material High-alloy stainless steel
Cap material EPDM
Nut material High-alloy stainless steel
Weight 0.230 kg