For sliding windows where the crescent lock also requires a key-controlled function, Keyed Sliding Window Crescent Lock provides the relevant hardware interface. Cylinder orientation, key clearance and keeper alignment must all suit the installed window; an obstructed key path reduces usability. Begin model matching with meeting-rail geometry and verify keeper offset on the profile.
Intended Assembly — Keyed Sliding Window Crescent Lock
The appropriate Window Crescent Locks arrangement depends on meeting-rail geometry. The lever draws the sash toward its keeper, while the keyed feature adds the specified operating control at the meeting rail. A comparison should therefore include keeper offset.
Dimensions to Confirm — meeting-rail geometry
Evaluation of keyed meeting-rail fastener should begin with the four assembly facts below.
1. meeting-rail geometry
2. key orientation and clearance
3. keeper offset
4. mounting centres and finish
Model Details — E838S
The configuration fiel…