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The SCHLAGE COMMERCIAL 20013C123626118 is a conventional mortise cylinder designed for commercial and institutional door hardware applications. Built to the Everest keyway specification with a C123 keyway profile, this cylinder ships keyed different (KD) and includes a 3/8 inch blocking ring for secure seating in the mortise pocket. The Adams Rite cam configuration makes it compatible with Adams Rite-style mortise locksets widely used in aluminum storefront and hollow metal door assemblies. The satin chrome finish provides a clean, professional appearance suited to high-traffic commercial environments. The cylinder measures 1-1/8 inches in length and is sold as a single unit.
This mortise cylinder is intended for commercial, institutional, and multi-family building applications where a controlled keyway system is required. The C123 Everest keyway is a restricted keyway profile designed to support key control programs, making this cylinder appropriate for facilities that require restricted key duplication. Typical installation scenarios include aluminum storefront doors, hollow metal frames, and commercial mortise locksets that accept an Adams Rite cam. Licensed locksmiths and commercial door hardware installers are the primary trade for this product.
Designed for use with Adams Rite-style mortise locksets that accept a standard mortise cylinder with an Adams Rite cam. The C123 Everest keyway is specific to the Schlage Everest restricted keyway system.
Installation should be performed by a licensed locksmith or qualified commercial door hardware technician. Ensure the door and frame assembly is secure and that power to any integrated access control hardware is disconnected before servicing the cylinder. The blocking ring must be properly seated to prevent cylinder rotation. Verify cam orientation and throw length are compatible with the mortise lock chassis before completing installation.
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