Grade 1 locks are tested and certified to be in compliance with the following ANSI/BHMA Standards:
Cylindrical, Bored and Preassembled Locks & Latches
8...
Grade 2 locks are tested and certified to be in compliance with the following ANSI/BHMA Standards:
Cylindrical, Bored and Preassembled Locks & Latches
400,000 Certified Cycles
ANSI...
BHMA provides a certified products directory complete with function codes and meanings from most of the major lock manufacturers. The most up-to-date directory can be accessed through th...
The American National Standards Institute (ANSI) and
Builders Hardware Manufacturers Association (BHMA) have developed durability,
strength and performance standards for every type of door hardware...