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Finishes
ANSI/BHMA NUMBERS FOR MATERIALS AND FINISHES..
![](https://www.rockwellsecurityinc.com/wp-content/uploads/2020/09/keying.png)
Keying
The various keying arrangements for pin-tumbler..
![](https://www.rockwellsecurityinc.com/wp-content/uploads/2020/09/door-glossary.png)
Door Glossary
Bolt – The metal piece that extends and secures a door...
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Backset
“Backset” refers to the distance from the edge of the door ...