5571 Series – 127mm Backset Mortice Deadlocks with Escape & Primary Lock Variants
This is a commercial-grade extended backset mortice escape deadlock from Lockwood’s Synergy® Series, designed for timber or metal doors where a longer backset is required for handle clearance or architectural alignment. The “Escape” function allows immediate egress from the inside without a key, while still providing secure deadlocking from the outside when a cylinder is fitted.
Key Features
- Backset: 127mm – extended backset for specific door and hardware layouts
- Bolt Type: 19mm stainless steel deadbolt for secure locking engagement
Operation:
- Inside: Escape turn for immediate unlocking and exit
- Outside: Operated by key via an external cylinder (not included)
- Handing: Left-hand configuration (LH)
- Door Thickness Suitability: 32mm to 50mm
- Positive Deadlocking Action: Bolt fully extends into strike for maximum security
Original: $309.23
-65%$309.23
$108.23Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This is a commercial-grade extended backset mortice escape deadlock from Lockwood’s Synergy® Series, designed for timber or metal doors where a longer backset is required for handle clearance or architectural alignment. The “Escape” function allows immediate egress from the inside without a key, while still providing secure deadlocking from the outside when a cylinder is fitted.
Key Features
- Backset: 127mm – extended backset for specific door and hardware layouts
- Bolt Type: 19mm stainless steel deadbolt for secure locking engagement
Operation:
- Inside: Escape turn for immediate unlocking and exit
- Outside: Operated by key via an external cylinder (not included)
- Handing: Left-hand configuration (LH)
- Door Thickness Suitability: 32mm to 50mm
- Positive Deadlocking Action: Bolt fully extends into strike for maximum security
