BHMA Updates Four ANSI/BHMA Lock Standards

Feb. 8, 2023
Changes address Bored and Preassembled Locks and Latches, Interconnected Locks, Mortise Locks and Latches and Delayed Egress Locking Systems
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The Builders Hardware Manufacturers Association (BHMA) announced the publication of revisions to four products, all of which have been approved by the American National Standards Institute (ANSI).  

“BHMA reviews each ANSI/BHMA standard at least once every five years to ensure that our standards continue to meet the ever-changing needs of both the public and our industry,” said BHMA Standards Director Michael Tierney. “This work is essential for maintaining alignment with modern quality requirements in our industry.” 

Revisions to all standards also included edits, renumbering, and updates to references. Each ANSI/BHMA standard can be purchased on the BHMA website, and summaries of each standard can be accessed on the Hardware Highlights page.

Technical meetings throughout 2022 yielded the following changes to the below standards: 

Changes to ANSI/BHMA A156.2: Bored and Preassembled Locks and Latches 

  • Removed finish requirements (now consolidated in A156.18) 
  • Updated ASTM F476 references 
  • Re-arranged paragraph 4 and added paragraph numbers in Section 10 and 11 
  • Synched definitions with A156.13 
  • Updated references with editorial corrections made as necessary 
Changes to ANSI/BHMA A156.12: Interconnected Locks 
  • Deleted any definitions of terms not directly applicable to the standard 
  • Added option of using a ½-inch blade for the saw test 
  • Removed “alone” from the requirements header to clarify 8.5 
  • Clarified 10.4, creating separate paragraphs for the requirements 
  • Removed finish requirements and pointed to A156.18 
  • Made extensive editorial revisions  
  • Made several suggested edits to the Appendix  
Changes to ANSI/BHMA A156.13: Mortise Locks and Latches 
  • Re-formatted Compressive Load test section for clarity 
  • Added requirements to cover narrow stile mortise locks including function numbers and tests 
  • Specified Impact Test location 
  • Added A156.41 reference to the Appendix 
  • Clarified test cylinder requirements 3.1 and 6.5 
  • Updated reference documents 
Changes to ANSI/BHMA A156.24: Delayed Egress Locking Systems 
  • Edited test door hinge description in 4.2 
  • Updated reference standards 

Revisions to all standards also included edits, renumbering, and updates to references.  

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