News
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, by United Doors and Locks Backset Explained: Why 2-3/8" and 2-3/4" Are Not Interchangeable
Backset is the distance from the door edge to the centre of the bore. Get it wrong and the latch will not reach the strike....
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, by United Doors and Locks Grade 1 vs Grade 2 Commercial Door Hardware: What the Cycle Counts Actually Buy You
ANSI/BHMA grades are cycle-test results, not marketing tiers. Here is what Grade 1, 2 and 3 mean in years of service, and where each belongs.
