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The JACKNOB 5320 is a strike keeper designed for use with concealed latch hardware in commercial and institutional door applications. Strike keepers serve as the fixed receiving component that engages the latch bolt, ensuring positive door closure and secure latching. The 5320 is intended for installation by finish carpenters, locksmiths, or general contractors working on door hardware assemblies where a concealed latch mechanism is specified.
This strike keeper is suited for interior door applications in commercial, institutional, or multi-unit residential settings. It is typically installed in door frames or jambs where a low-profile, concealed latch system is required to meet architectural or code specifications. The concealed design keeps hardware out of sight for a clean finished appearance.
Designed as an OEM-style replacement or new-installation strike keeper for door assemblies utilizing concealed latch hardware.
Installation is typically performed by a licensed locksmith, finish carpenter, or qualified door hardware installer. Ensure the door and frame are properly aligned before mortising or fastening the strike keeper to avoid binding. Follow applicable building codes and hardware manufacturer specifications for frame preparation and fastener requirements.
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