David Bolton Hold-Back Function on a Mortise Lockset: When Latching Is the Problem, Not the Solution What This Article Covers This guide is for contractors, facility managers, and architects who encounter the hold-back function on a mortise lockset and need to understand what it does mechanically, wh... Grade 1 locks commercial door hardware facility management hold-back function mortise locksets Jul 28, 2026 Our Blog
David Bolton Hotel Function and Double-Locking Deadbolts: What the F17 Mortise Function Actually Does at the Door What This Article Covers and Who It Helps Hotel function locksets and double-locking deadbolts are a specific class of hardware that confuses specifiers, contractors, and facilities teams alike. If yo... deadbolts hospitality hardware hotel function lock functions mortise locksets Jul 27, 2026 Our Blog
David Bolton Commercial Lock Functions Explained: Mortise, Cylindrical, Deadbolts, and Outside Exit Trims What Are Lock Functions and Why Do They Matter? A lock function describes exactly how a door behaves from both sides: who can enter, who can exit freely, and under what conditions a key or credential ... classroom security commercial door hardware egress code compliance lock functions mortise locksets Apr 19, 2026 Our Blog
