What Is The Difference between F13 And F20 Mortise Lock? 2025-11-05
In the world of commercial and institutional security, not all locks are created equal. When specifying hardware for a building, architects, contractors, and security professionals rely on standardized ratings to ensure doors and frames can withstand specific types of force. For mortise locks—renowned for their strength and durability—two of the most common and often confused ratings are F13 and F20. While they may sound similar, understanding the distinction is critical for compliance, safety, and performance.
Read More