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The SCHLAGE COMMERCIAL M504413 is an interchangeable core (IC) installation tool designed for use with IC-style lock cylinders in commercial and institutional hardware applications. The tool simplifies the process of installing and removing interchangeable cores from compatible locksets without damaging the core or the housing. At 4 inches in length and 3.4 inches in width, it is compact enough for a tool bag and sized for precise handling during core changes. Licensed locksmiths, commercial door hardware technicians, and facility maintenance professionals typically keep this tool as a standard part of IC system service kits.
Interchangeable core systems are common in commercial buildings, schools, healthcare facilities, and multi-family properties where rekeying speed and security management are priorities. The M504413 is used during scheduled rekeying cycles, lock replacement, or emergency core swaps. Because IC cylinders can be removed and replaced without disassembling the lockset, having the correct installation tool on hand reduces service time significantly and prevents damage to cores that would otherwise require costly replacement.
Designed for use with SCHLAGE COMMERCIAL interchangeable core lock cylinders. Verify compatibility with the specific IC format in use before ordering, as IC tool requirements vary by core family.
This tool is used by licensed locksmiths and commercial door hardware technicians during IC core installation or removal. Before performing any core change on an active access-controlled door, confirm with the facility manager that the door can be taken offline temporarily. Use the tool as directed by the core system manufacturer instructions to avoid shearing or binding the core retaining mechanism. No power tools or fasteners are required for standard IC core swap procedures.
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