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The SARGENT 70-4875 26D is a single cylinder mortise deadbolt configured with Small Format Interchangeable Core (SFIC) prep and supplied less core, finished in satin chrome (26D). This hardware is designed for commercial and institutional door applications where a keyed mortise deadbolt is required. The SFIC prep allows the installer to insert the appropriate interchangeable core once the keying system is determined on site, giving facility managers flexibility without requiring factory-keyed hardware. Licensed locksmiths, commercial door hardware installers, and general contractors working on commercial builds or renovations are the typical trades that specify and install this unit.
This mortise deadbolt is suited for commercial buildings, institutional facilities, schools, healthcare facilities, and multi-tenant properties that use a Small Format Interchangeable Core keying platform. The less-core configuration means the bolt mechanism ships ready to accept the chosen SFIC cylinder, allowing integration into an existing master key system or a new keying program without altering the hardware chassis. Specifications for door thickness and mortise pocket dimensions should be confirmed against the door manufacturer requirements before ordering.
Designed as an OEM-style replacement or new-installation mortise deadbolt for commercial doors configured to accept SFIC-prep mortise hardware. Specific compatible core brands and model numbers are not stated in the product data - consult SARGENT product literature to confirm SFIC core compatibility before purchasing a core separately.
Installation should be performed by a licensed locksmith or qualified commercial door hardware installer familiar with mortise lock procedures and applicable building codes. Before installing or servicing, confirm the door is secured and not in an active egress path without an alternate exit available. The mortise pocket in the door stile must match the dimensions required by this deadbolt body - verify door prep before installation. Do not force the bolt mechanism or modify the mortise pocket without confirming compatibility with SARGENT installation documentation.
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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