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The DON-JO CW504S is a blank classic wrap around plate designed for mortise lock installations on 1-3/4 inch doors. It features an 86 cut out and is finished in stainless steel, providing corrosion resistance suited to both interior and exterior door applications. The plate reinforces the door edge around the mortise lock pocket, protecting against forced entry and wear. Licensed locksmiths, door hardware installers, and commercial door contractors typically specify this component during new installation or retrofit work on hollow metal and wood doors.
The CW504S is appropriate for commercial and light commercial applications where mortise locksets are the standard hardware choice. It fits 1-3/4 inch door thickness and accommodates the standard 86 cut out dimension. The stainless steel finish suits high-traffic entryways, institutional settings, and any environment requiring durable, low-maintenance door hardware. It ships as a single unit and is well-suited to both new construction and replacement projects.
Designed as an OEM-style replacement or new installation wrap around plate for mortise lock applications on 1-3/4 inch doors with an 86 cut out.
Installation is typically performed by a licensed locksmith or commercial door hardware technician. Before installation, ensure the door is secured in an open position and all lockset components are removed from the mortise pocket. Follow local building codes and manufacturer mortise lock specifications when aligning the wrap around plate to the door edge. Avoid overtightening fasteners on hollow metal doors to prevent deformation of the door face.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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