David Bolton Apartment Entrance Mortise Locks: Why the ANSI Function Code Gets Changed After the Lease Structure Is Set Why the Function Code on an Apartment Entrance Mortise Lock Is Not a Hardware Decision This article is for contractors, property managers, and architects specifying or replacing mortise locksets on ap... ANSI lock functions Grade 1 locksets apartment hardware mortise locks multi-family construction May 15, 2026
David Bolton Classroom Lockset Function Codes Decoded: What the Letter After the Series Number Actually Controls Why the Function Code Matters More Than the Lock Body This article is for contractors, facility managers, and architects who are specifying or replacing cylindrical locksets on classroom doors and kee... ANSI lock functions Grade 2 locksets classroom locksets lockset functions school door hardware Apr 23, 2026
