Yale 85 Deadlocking Nightlatch, 40mm Backset, Brasslux
High-security Yale 85 nightlatch with 40mm backset, Brasslux finish & deadlocking. Ideal for front doors.
The Yale 85 Deadlocking Nightlatch is one of the most widely used front door security latches, known for its robust construction and high-security features. Designed for key operation from the outside and lever handle operation from the inside, this nightlatch automatically deadlocks upon door closure, preventing forced entry. It includes a snib function (bolt hold-back button), allowing the latch to be held open when needed.
For enhanced security, the inside handle can be deadlocked by reversing the key in the cylinder—once engaged, the latch can only be opened from the outside with the key, preventing unauthorised access even from inside the property. The lock is supplied with a secure 1109 cylinder for reliable key operation.
Available in a Brasslux finish, the YAL85BLXPL model features a hardened case and a polished brass cylinder for a stylish and durable finish. With a high-security rating and a 2-year guarantee, this nightlatch provides peace of mind for homeowners.
40mm Backset Design
This Yale nightlatch has a 40mm backset, making it ideal for narrow doors or limited-space installations, such as glass-panelled doors. The backset measurement (from the door edge to the keyhole centre) ensures compatibility with compact door designs.
Key Features
- Automatic deadlocking when door closes
- Snib function for holding the latch open
- Inside deadlock via reverse key turn (external key required to open)
- High-security 1109 cylinder included
- Hardened Brasslux case with polished brass cylinder
- 40mm backset for narrow doors
- 2-year guarantee for added assurance
After bigger quantities? Need extra quantities? Get in touch and we'll organise it for you.
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- Front door security
- Narrow or glass-panelled doors
- Residential and commercial properties
- High-security entry points
- Model: YAL85BLXPL
- Finish Options: Brasslux, Chrome, Dark Metal Grey (DMG)
- Backset: 40mm (door edge to keyhole centre)
- Lock Type: Keyed exterior, lever-handle interior
- Security Feature: Automatic deadlock on closing
- Special Function: Snib (bolt hold-back button)
- Additional Security: Inside deadlock via reverse key turn
- Cylinder: 1109 high-security cylinder
- Case Material: Hardened Brasslux
- Cylinder Finish: Polished brass
- Weight: 666g
- Packaging: Boxed
- Security Rating: High
- Warranty: 2-year guarantee
Always follow local regulations and product guidance.
Free standard delivery on Australian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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