Recent Blogs
Slam Latch: Mechanism, How It Works, Diagrams, Videos, Detailed Explanation
Slam latches let you close a panel with one push — no key, no twist. Learn how the spring-loaded bolt, strike, and release work in...
Mortise Lock Mechanism Explained: How It Works, Parts, Diagram, and Sizing Formula
How a Mortise Lock works — internal lever mechanism, backset and case sizing, BHMA grades, and where commercial doors use it. Engineering breakdown from FIRGELLI.