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The BEST 1A1J1KS473KS800 is a standard 7-pin key blank cut to the J keyway profile, designed for use with BEST interchangeable core (IC) locking systems. This blank serves as the foundation for key duplication and master key system configuration in commercial and institutional security applications. It measures 3 inches in length, 1.5 inches in width, and 0.1 inches in height, and weighs approximately 0.02 pounds. Locksmiths and security hardware technicians use this blank when cutting keys for BEST IC cylinders on the KS473 keyway.
This key blank is suited for commercial facilities, institutional buildings, and campuses that rely on BEST interchangeable core systems for access control. The J keyway designation and 7-pin specification make it appropriate for high-security master key programs where keyway restriction and pin count matter. It is sold individually and is a direct component in key duplication and rekeying workflows managed by credentialed locksmiths or authorized security personnel.
Designed for use with BEST interchangeable core locking systems utilizing the J keyway and KS473 keyway profile with 7-pin cylinder configurations.
Key cutting from this blank should be performed by a licensed locksmith or authorized security hardware professional using a key machine calibrated to BEST specifications. Verify the target cylinder keyway profile and pin count before cutting. Key blanks should be handled and distributed in compliance with facility key control policies. Unauthorized duplication of restricted keyways may violate access control agreements.
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