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The KWIKSET 159SQT-15S.STRKP is a double cylinder deadbolt featuring a square rose design in a Satin Nickel finish. It integrates SmartKey Security technology, which allows rekeying without removing the lock from the door. The assembly ships with a 6AL latch and a strike pack that includes a square corner strike, a round corner strike, and a 5303 round corner full lip strike. This gives installers the flexibility to fit the hardware to different door frame preparations without sourcing additional components. The deadbolt is intended for residential exterior door applications and is installed by locksmiths, residential contractors, or experienced property maintenance technicians.
The Halifax series is designed for standard residential exterior doors. The included strike pack covers the most common door frame cutout configurations, making this kit suitable for new construction installs and replacement projects alike. The double cylinder configuration requires a key for both interior and exterior operation, which is typical for doors with adjacent glass panels where a thumb-turn would present a security risk. The Satin Nickel finish coordinates with a wide range of residential door hardware styles.
Designed as an OEM-style replacement or new-installation deadbolt for standard residential exterior doors with common latch and strike preparations. Confirm door thickness, backset measurement, and frame cutout configuration before installation.
Installation is performed by a licensed locksmith or qualified residential contractor following the door hardware manufacturer instructions and applicable local building codes. Disengage all power to any associated access control wiring before beginning work. Verify the door backset and frame strike cutout dimensions match the included hardware before final installation. Do not force the cylinder or latch during alignment, as this can damage the SmartKey mechanism.
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