The GRACO 121589 is a hex head cap screw made from medium steel (MS) with a strength grade of 10.9 and zinc yellow (ZY) finish. It is designed for secure fastening within GRACO equipment, specifically in the assembly and maintenance of components such as the PR70™ series two-component liquid dispensing systems.

Key Features:

• Hex Head Cap Screw
• M12x1.75x80
• Medium Steel (MS), GR10.9, Zinc Yellow (ZY) finish
• Compatible with GRACO PR70™ and related two-component dispensing systems
• High tensile strength for secure fastening
• Corrosion-resistant zinc yellow finish
• Designed for reliable assembly and maintenance in industrial environments

Applications:
Used in the assembly, repair, and maintenance of GRACO PR70™ and similar two-component liquid dispensing systems, ensuring secure and durable connections in industrial fluid handling equipment.

Installation Notes:

• Using genuine GRACO screws ensures proper fit, strength, and compatibility, reducing the risk of equipment failure or safety issues.
• Ensure threads are clean and undamaged before installation
• Tighten to the recommended torque for GR10.9 M12 screws
• Inspect regularly for signs of wear or corrosion
• Replace with genuine GRACO parts for optimal performance and safety