Description
The Sargent 28-11G05 LB 10 is a Grade 1 cylindrical bored-in lock engineered for high-security applications in schools, hospitals, and demanding commercial environments. Its T-Zone construction delivers exceptional strength and durability, with true interlocking between lockbody and latch that exceeds ANSI 156.2 Series 4000 Grade 1 standards.
This lock is designed for standard cylindrical prep doors and keyed cylinders. Installation requires proper door preparation and cylinder keying to your master key system. As an authorized Sargent dealer, E.D. Locks offers expert guidance on specification, keying options, and installation support. Contact our sales team at sales@edlocks.com or 1-877-207-6067 for technical assistance or custom keying solutions.