David Bolton Mortise Cylinders vs Rim Cylinders: Choosing the Right Cylinder for the Lock Body You Have The Short Answer: It Depends on What the Cylinder Plugs Into This article helps contractors, facility managers, and hardware specifiers understand the practical differences between mortise cylinders a... commercial-locksets cylinders keying mortise-cylinder rim-cylinder Aug 2, 2026
David Bolton Construction Master Keying Procedures: How the Temporary Key System Works and When It Must Be Invalidated What Is Construction Master Keying and Who Needs to Understand It? Construction master keying is a temporary key system that gives a build team controlled access to all designated cylinders during the... construction hardware cylinders key systems keying project closeout Jul 20, 2026
David Bolton When the Existing Keyway Stays But the Lock Gets Replaced: Cross-Keying Competitor Cylinders Into New Hardware What This Article Covers and Who It Helps When a school replaces a worn cylindrical lockset, a hospital renovates a wing, or a facilities team upgrades hardware after a breach, the last thing anyone w... cross-keying cylinders keying locksets retrofit hardware Jul 4, 2026
