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ANSI/BHMA Lock Grades Explained: Grade 1 vs 2 vs 3 for Commercial Doors

ANSI/BHMA Lock Grades Explained: Grade 1 vs 2 vs 3 for Commercial Doors

Sep 06, 2026 saul k 0 comments

A complete breakdown of ANSI/BHMA lock grades — Grade 1, Grade 2, and Grade 3 — covering testing cycles, duty ratings, and how to spec the right hardware for commercial, institutional, and residential applications.