Sargent 82-4025 Thru Bolt Blank Dummy Plate Assembly — 2-1/4" Door

The Sargent 82-4025 is a genuine OEM Thru Bolt Blank Dummy Plate Assembly designed for 2-1/4" door applications. This replacement plate is factory-engineered to integrate seamlessly with Sargent 8200 Series and 7800 Series mortise locks, ensuring precise fit, consistent finish alignment, and long-term hardware integrity. As an authentic Sargent replacement component, the 82-4025 meets the same manufacturing tolerances as the original factory-installed hardware — making it the preferred choice for facilities managers, locksmiths, and door hardware professionals seeking a reliable, specification-grade solution.

Institutional Grade Features & Benefits

• Genuine OEM Quality: Manufactured by Sargent to exact factory specifications, ensuring drop-in compatibility with 8200 Series and 7800 Series mortise lock assemblies without modification.
• Thru Bolt Design: The thru bolt mounting configuration provides a secure, stable attachment through the door thickness, reducing the risk of plate movement or loosening under heavy-use conditions.
• Blank Dummy Plate Function: Serves as a clean, finished cover plate where a lever or trim function is not required on one face of the door, maintaining a professional appearance and protecting the mortise lock body.
• 2-1/4" Door Compatibility: Specifically sized for standard 2-1/4" door thickness, making it well-suited for commercial interior and institutional door applications.
• Direct Replacement Part: Eliminates the need for custom fabrication or adapters — simply replace a worn, damaged, or missing plate with this exact-fit OEM component to restore the door hardware to original condition.
• Sargent 8200 & 7800 Series Compatibility: Engineered for use across both the 8200 and 7800 Series mortise lock product lines, providing broad applicability across multi-door commercial and institutional facilities.

Technical Details