The GRACO 18B480 is a square key measuring 3/8" by 4.25". It is a mechanical component typically made from hardened steel, designed for use as a drive or alignment key within GRACO equipment, such as the GrindLazer series, to secure rotating parts and ensure proper torque transmission.

Key Features:

• Square key
• 3/8" SQ. X 4.25"
• Hardened steel (assumed, not explicitly stated)
• Compatible with GRACO GrindLazer and other equipment requiring a 3/8" square key
• Precision fit for secure torque transmission
• Durable construction for long service life
• Standardized size for easy replacement

Applications:
Used in GRACO equipment such as the GrindLazer series to secure rotating components and ensure reliable operation.

Installation Notes:

• Using a genuine GRACO key ensures proper fit, safety, and equipment longevity.
• Ensure the keyway and key are clean and free of debris before installation.
• Align the key properly in the keyway before inserting the shaft or hub.
• Check for secure fit and no excessive play after installation.
• Regularly inspect the key for wear or deformation.
• Replace the key if any signs of damage or excessive wear are present.
• Keep spare keys on hand for quick replacement during maintenance.