YALE
YALE B-81 Deadlocking Nightlatch
Part No.
630081001722
Procurement Intelligence
The YALE B-81 is a deadlocking nightlatch from YALE's B-Series, designed for external door entry control with automatic locking on door closure. Installation requires proper frame preparation and alignment to the door edge. Critical verification: confirm door thickness compatibility (typically 35-50mm) and that the cylinder/handle operates smoothly before final securing.
External residential door entry
Before ordering — verify:
| ☐ | Door thickness compatibility |
| ☐ | Frame preparation required |
| ☐ | Cylinder keying specification |