Description
The Schlage L9444 17B 643E is an extra heavy-duty mortise lock built for high-traffic institutional environments including schools, hospitals, and factories. This Grade 1 certified lock delivers dependable operation under constant use, with a heavy-gauge steel case and all-metal working parts designed to resist wear, abuse, and door-edge attacks.
This universal lock case supports ten functions in one unit and features field-reversible handing, making retrofit and installation flexible across beveled doors. For compatibility verification, keying options, and expert guidance on finish selection and installation, contact our authorized dealer team at sales@edlocks.com or 1-877-207-6067.
Specifications
- ANSI Grade 1 certified
- Heavy-gauge, fully wrapped steel case
- All-metal zinc dichromate-plated working parts
- Two-piece anti-friction tongue reduces wear
- Break-away spindle for security and easy replacement
- Hub blocking plate discourages spindle manipulation
- Spring-loaded fusible link provides fail secure mode
- Screwless shank mounting with no exposed trim screws
- Floating mounting tabs adjust for beveled door edges
- Field-reversible handing without opening lock case
- External spring cages enable simple trim retrofit
- Ten functions available in universal lock case
- Locking thumb-turn shows lock/unlock status
- Independent lever rotation in both directions
