The GRACO 19B435 is a square key measuring 3/8" x 3.5", typically made from steel or a similar durable metal. It is designed to secure pulleys or other rotating components to shafts within GRACO equipment, ensuring reliable power transmission and alignment.

Key Features:

• Square key
• 3/8" square x 3.5" length
• Compatible with GRACO equipment requiring a 3/8" square key, such as certain models of GrindLazer (e.g., 25P474, 25P475)
• Precision fit for secure shaft-pulley connection
• Durable construction for long service life
• Standardized size for easy replacement

Applications:
Used in GRACO equipment, particularly in the assembly and maintenance of power transmission systems where pulleys are mounted on shafts, such as in the GrindLazer series.

Installation Notes:

• Using a genuine GRACO key ensures proper fit, alignment, and safety, reducing the risk of equipment failure or damage.
• Ensure the keyway on both the shaft and pulley are clean and free of debris before installation.
• Insert the key into the shaft keyway, then slide the pulley onto the shaft, aligning the pulley keyway with the key.
• Check for secure fit and proper alignment before operating the equipment.