The Yale 77 Series Traditional Nightlatches are the Original Yale Lock with classic styling. The d...The Yale 77 Series Traditional Nightlatches are the Original Yale Lock with classic styling. The deadlocking snib function enables the latch to be held back or deadlocked internally. The nightlatch is key operated from the outside and has a knob handle for operation from inside. The 77 Series Nightlatches have a 60mm backset, this is the measurement from the edge of the door to the centre of the keyhole. Supplied with 1109 external cylinder. Classic design nightlatch. Lock is immediately engaged when the door is closed. Suitable for use on wooden doors up to 57mm thick. Includes two keys & fittings. Standard 60mm backset. The Yale Nightlatch is a classic design that has set the standards in convenient door security for over 70 years and is trusted by millions. Although typically used for exterior wooden front doors in conjunction with a mortice deadlock, the Yale nightlatch is commonly used for interior bedroom doors in shared houses with multiple occupants where additional security is required. The internal knob and snib button provides a convenient way to operate the lock from inside the property. The latch bolt is immediately engaged as soon as you close the door and can also be held back temporarily with the snib button. The internal knob is used to operate the lock from the inside and can be deadlocked by the snib button for additional overnight security. The external five pin rim cylinder lock is manufactured to a good specification, is tested for resistance to corrosion and a minimum of 100,000 usage cycles. If upgrading an existing unit you should be able to use the holes that are already on the door. Available in standard (60mm) and narrow (40mm) backsets, and brass, chrome and traditional green finishes.
This guide is for homeowners and tenants seeking enhanced door security. The Yale Traditional Nightlatch - Bronze offers classic design and robust security, making it ideal for wooden doors. However, ensure your door is compatible with the 60mm backset for proper installation and function.
All features
Colour
Bronze
Model Part Number
B-77-ENB-PB-60
Brand
Yale
Extended Product Information
FAQs
What is the backset of the Yale Nightlatch?
The Yale Traditional Nightlatch has a standard 60mm backset.
What type of doors is this nightlatch suitable for?
It is suitable for wooden doors up to 57mm thick.
How do I operate the lock from the inside?
Use the internal knob to operate the lock from the inside.
What does the snib function do?
The snib function allows you to hold the latch back or deadbolt the latch internally.
Does it come with keys?
Yes, it is supplied with two keys.
What materials is the nightlatch made of?
The external five-pin rim cylinder lock is manufactured to a good specification and tested for resistance to corrosion.
Can I install it myself?
Installation may be possible with basic DIY skills; however, professional installation is recommended.
Troubleshooting
The latch is not engaging when the door closes.
Check if the door frame is aligned properly. Adjust the strike plate if needed.
The key is difficult to turn.
Apply graphite lubricant to the cylinder.
The internal knob is stiff to turn.
Check for any obstructions or debris in the mechanism.
Pros and Cons
Pros
Provides a high level of security for wooden doors.
Easy to operate with a convenient internal knob.
Classic design that complements various door styles.
The deadlocking snib offers added security when needed.
Cons
Requires a 60mm backset, which may not be compatible with all doors.
Installation may require some DIY skills or a professional locksmith.
Key access from the outside is required to unlock the door.
Setup, Compatibility & Care
Setup
Carefully align the nightlatch body on the door, ensuring the keyhole aligns properly.
Mark the screw holes on the door frame.
Drill pilot holes and secure the nightlatch using the provided screws.
Install the external cylinder.
Test the lock by opening and closing the door.
Compatibility
Ensure your wooden door is up to 57mm thick.
The nightlatch has a 60mm backset.
Care
Clean the nightlatch regularly with a soft, damp cloth.
Avoid using abrasive cleaners or solvents.
Lubricate the cylinder with a graphite lubricant to ensure smooth operation.