What are ANSI BHMA hardware grades?

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 on the market. To gain a better understanding or the grading system, please refer to Allegion’s document titled “Understanding BHMA grading & testing”.

 The following lists current ANSI/BHMA grades of hardware devices

Device

ANSI/BHMA Standard

Grade 1

Test Cycles

Grade 2

Test Cycles

Grade 3

Test Cycles

Butt Hinges

A156.1

2,500,000

1,500,000

350,000

Bored Locks

A156.2

1,000,000

400,000

200,000

Mortise Locks

A156.13

1,000,000

800,000

800,000

Door Controls 

A156.4  *

2,000,000

1,000,000

500,000

Exit Devices

A156.3

500,000

250,000

100,000

* Door Controls without backcheck


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