The PROTECTOR 712 Series Roller Bolt Mortice Lock is a high-quality lock designed for doors where a convenient push/pull entry is desired, combined with key security. Instead of a traditional latch, this lock features a roller bolt that holds the door closed with an adjustable holding force, allowing it to be opened easily without the need for a handle. A separate deadbolt provides secure locking, operated by a Euro profile cylinder (sold separately). With a 50mm backset, this lock is suitable for a wide variety of standard doors. The faceplate is finished in a durable and classic Satin Brass, providing both a timeless aesthetic and excellent corrosion resistance. This lock is an ideal choice for use with pull handles on both commercial and residential doors.
Frequently Asked Questions (FAQs)
1. What is a roller bolt mortice lock?
A roller bolt mortice lock uses a spring-loaded roller instead of a traditional latch. This allows the door to be pushed or pulled open without operating a handle, while still holding the door securely closed.
2. Does this lock require a door handle?
No, this lock is specifically designed to be used without a handle. It is ideal for doors fitted with pull handles, allowing convenient push/pull operation.
3. How is the door locked?
The lock includes a separate deadbolt that is operated using a Euro profile cylinder. This provides secure locking when required.
4. Is the cylinder included with this lock?
No, the Euro cylinder is sold separately. This allows you to choose a cylinder that suits your keying system or security requirements.
5. What does “50mm backset” mean?
The backset is the distance from the edge of the door to the centre of the keyhole. A 50mm backset is a standard size suitable for most residential and commercial doors.
6. Can the roller tension be adjusted?
Yes, the roller bolt has an adjustable holding force. This allows you to control how tightly the door stays closed.
7. What type of doors is this lock suitable for?
This lock is suitable for both residential and commercial doors, especially where pull handles are used and a clean, handle-free look is desired.
8. What is the function of the deadbolt?
The deadbolt provides secure locking and extends 21mm when engaged. It is operated by the key via the Euro cylinder.
9. What are the main dimensions of this lock?
Backset: 50mm
Faceplate: 235mm (L) x 24mm (W)
Case Size: 165mm (H) x 78mm (D)
Strike Plate: 170mm (L) x 24mm (W)
10. What finish does this lock come in?
This lock is finished in Satin Brass, offering a classic appearance with good corrosion resistance.
11. Is this lock compatible with restricted key systems?
Yes, it is compatible with most restricted keying systems when paired with a suitable Euro cylinder.
12. What is included in the box?
The lock is supplied with:
- Mortice lock body
- Strike plate
- Fixing screws
- Euro cylinder retaining screw
(Cylinder is not included)
13. Can the key retract the bolt?
Yes, the key operation retracts the deadbolt, allowing the door to be opened when locked.
14. Is this lock suitable for high-traffic areas?
Yes, its heavy-duty design makes it suitable for frequent use in both residential and light commercial applications.
15. What is the lock pitch?
The lock pitch is 72mm, which refers to the distance between the centre of the handle position and the cylinder.
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