Deltana Enterprises SDL688U3 Storm Door Latch Mortise Lock Bright Brass Finish

Classic Storm Door Latch with Mortise Lock

The Deltana SDL688U3 provides a classic mortise lock mechanism for storm doors, combining a latch and deadbolt in one solid brass unit. Its bright brass finish delivers a polished, traditional appearance suited to period or colonial-style entryways. Homeowners replacing original hardware on existing storm doors will find the mortise format matches many common cut-outs. This latch is not suited for modern tubular bored doors or for heavy exterior entry doors requiring a Grade 1 deadbolt.

Solid Brass Construction and Low-Friction Operation

Precision-machined brass components reduce binding and ensure smooth latch retraction with minimal force. The mortise body sits flush within the door stile, eliminating exposed moving parts that can catch on weatherstripping or screen frames. No lubrication schedule is required under normal residential use, and the lacquered bright brass finish resists tarnish without special cleaners. The lock cylinder turns cleanly, and the thumb-turn operates without audible click or grind.