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The SARGENT 4877 26D is a classroom mortise deadbolt finished in satin chrome. Mortise deadbolts are installed directly into a pocket routed into the door edge, providing a flush, fully integrated locking mechanism. This type of hardware is a standard in institutional and commercial door assemblies where security and durability are primary requirements. The 4877 26D is suited for installation by licensed locksmiths, commercial door hardware specialists, and facility maintenance technicians working on classroom or institutional door applications.
This mortise deadbolt is designed for classroom environments where controlled access is critical. Typical applications include K-12 schools, university buildings, and other institutional facilities requiring compliant, reliable door hardware. The satin chrome finish coordinates with standard commercial hardware trim and resists corrosion in high-traffic interior environments.
Designed as an OEM-style replacement or new-installation mortise deadbolt for commercial and institutional door assemblies requiring a classroom-function deadbolt in a standard mortise pocket.
Installation should be performed by a licensed locksmith or qualified door hardware technician. Power down any electrified door hardware and secure the door in a safe position before beginning work. The mortise pocket must be correctly dimensioned to accept the lock case before installation. Local building and fire codes, including applicable provisions of IBC and NFPA 101, should be consulted to confirm hardware compliance for the intended occupancy.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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