Description
The Schlage L9440 03A 643E is an extra heavy-duty mortise lock designed for high-traffic commercial environments including schools, hospitals, and factories. Built to ANSI Grade 1 standards, this lock withstands constant use and abuse with a fully wrapped steel case, zinc dichromate-plated components, and anti-friction design that reduces wear over time.
This versatile lock accommodates ten functions in a single case with field-reversible handing, no tools required. Universal mounting tabs adjust for beveled doors, and external spring cages enable simple trim retrofit. As an authorized Schlage dealer, E.D. Locks offers expert configuration guidance and keying support. Contact sales@edlocks.com or call 1-877-207-6067 for assistance selecting the right function and finish for your application.
