The Builders Hardware Manufacturers Association (BHMA®) is the only organization accredited by the America National Standards Institute (ANSI) to develop and maintain performance standards for locks, closers, exit devices and other builders hardware.
People also ask
What is the difference between Grade 1 and Grade 3 ANSI BHMA?
Product grades are defined by progressive performance benchmarks in the given tests, with Grade 1 being the highest level of performance. For example, in the Cylinder Tension Test for a Grade 1 mortise lock must be able to withstand 3,600 lbf, as compared to a Grade 3, which requires 1,000 lbf.
Jun 1, 2010
What is ANSI BHMA grade AAA?
BHMA is a group of industry experts that grades residential door hardware performance in the categories of Security, Durability and Finish. A grade of 'C' is good, 'B' is better and 'A' is best. When you see something is AAA, that means it received the best grade possible in all three categories.
What is ANSI BHMA grade 3 certified?
Grade | Test |
Grade 3 – Low Strength | Must withstand 4 total blows: 2 blows @ 90 lbs. of force 2 blows @ 60 lbs. of force |
Not Graded – Severe Risk | No impact standards |
What does ANSI grade mean?
A lock's security is denoted by its American National Standards Institute (ANSI) grade, with Grade 1 the most secure and Grade 3 the least. A builder-quality tubular lock will likely be a Grade 3, a good-quality handleset a Grade 2.
Jun 1, 2010 · The BHMA works with the ANSI to develop and publish performance standards for Builders Hardware. These standards have cycle, functional strength ...
Oct 16, 2023 · Unlike the ANSI lock grading system that has very specific use and durability requirements, the BHMA rating gives a simple letter grade to three ...
Many ANSI/BHMA standards define different product grades for a particular hardware item. These product grades (grade 1, 2, or 3 -- with grade 1 being the ...
Jan 7, 2020 · Grade one is the highest performance, followed by grades two and three. The ANSI/BHMA grading system is useful for ensuring the most appropriate ...
Sep 16, 2020 · Door hardware in the U.S. is tested and graded by the ANSI and the BHMA. Learn more about lock grades and what they mean for you.
Aug 11, 2023 · Door hardware is graded by the BHMA (Builders Hardware Manufacturers Association) The BHMA is accredited by the American National Standards ...
Dec 10, 2023 · ANSI/BMHA assures that its standard and will fit on any hole prep correctly to that BHMA no matter the brand. Not looking at price if possible ...
Feb 27, 2023 · BHMA has two residential standards: ANSI/BHMA A156.39 for Residential Locksets and Latches and ANSI/BHMA A156.40 for Residential Deadbolts.