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”.
|
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
INFORMATION PROVIDED THROUGH THIS SITE IS PROVIDED TO YOU AS IS WITHOUT ANY EXPRESS REPRESENTATIONS OR WARRANTIES OF ANY KIND, AND WE MAKE NO REPRESENTATION OR WARRANTY THAT THIS SITE(OR ANY INFORMATION PROVIDED IN RESPONSE TO YOUR INQUIRY), WILL BE ACCURATE, COMPLETE, OR ERROR-FREE.
YOU AGREE THAT YOU MUST EVALUATE ALL INFORMATION AND RESPONSES, AND THAT YOU BEAR ALL RISKS ASSOCIATED WITH, THE USE OF THIS SITE, INCLUDING ANY RELIANCE ON THE ACCURACY,COMPLETENESS, OR USEFULNESS OF ANY INFORMATION OR MATERIALS MADE AVAILABLE THROUGH THIS SITE.