What Are The Numbers On My Key? | Guardian Answers

Today, Uriah answers the question "what color is my door lock"? by breaking down the two most common systems used for door hardware finishes: The BHMA and US Standard systems.

Both systems are commonly used to ensure door lock installations and door hardware installations are able to cosmetically match as closely as possible.

Understanding the basics of the BHMA (or Builders Hardware Manufacturers Association) system and the US Standard system will help you understand what color and what finish your locks are in the same way a trained locksmith would.

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