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A156.28 - 2023 Recommended Practices For Mechanical Keying Systems

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American National Standard Recommended Practices For Mechanical Keying Systems

This recommended practice is intended for building owners, security professionals and others responsible for designing, implementing, and maintaining secure keying systems. Minimize legal liability by providing industry proven guidelines. It covers system design, to provide design criteria to establish and maintain a secure keying system. The purpose of this document is to provide guidelines for the essential keying conference, establish good practices for effective key management, and give building owners the ability to extend the life of keying systems to meet future demands. For further information, consult the full standard, ANSI/BHMA A156.28 for Mechanical Keying Systems.

BHMA has created this series of Hardware Highlights to provide useful, accessible information about builders hardware for anyone with an interest in devices that hang, control, secure, and trim the doors. BHMA is the trade association which represents almost all of the North American manufacturers of builders hardware. One of its main activities since 1983 has been the development and maintenance of ANSI-approved standards for 35 separate product categories.


As a public service, BHMA offers this Standard free of charge and may be ordered on this site. Thank you.

This document is not a substitute for the full standard. Refer to the entire standard for full information.

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