Lockwood Twin Bolt Mortice Lock Kits — LW78 Series (Bi-Fold & French Door Applications)
The Lockwood Twin Bolt (TBL) Mortice Lock series provides reliable two-point security for aluminium-framed French and bi-fold doors. With an 18mm shoot bolt throw, a robust cam-over anti-reverse drive design, and compatibility with genuine Euro cylinders, the LW78 range delivers strength, flexibility, and ease of installation for modern residential applications. Both locking and non-locking kits are available with Aria or Uno handles.
Key Features
- 18mm shoot bolt throw as standard.
- Cam-over design prevents shoot bolts being driven without handle operation.
- Non-handed lock assembly — suits LH or RH doors.
- Euro cylinder compatible (locking versions) for custom keying, master keying, or CYL4™ one-key convenience.
- Supplied with 1.0 m + 1.3 m rods (extensions available separately).
- Threaded rod connections for on-site adjustment.
- Compatible with Aria or Uno handles, locking or non-locking.
- Kit furniture available in Black (B), Satin Chrome (SC), Special Powdercoat (SPEC) or White (PW).
- Zinc die-cast lock body with improved through-hole mounting for faster installation.
- Provides two-point locking (top & bottom) for French and bi-fold doors.
Specifications
- Item Code Family: LW78 Twin Bolt Series
- Backset: 30 mm (standard)
- Rod Lengths Supplied: 1.0 m + 1.3 m
- Operation: Locking (Euro cylinder) or Non-locking
- Handle Options: Aria or Uno (locking/non-locking)
- Materials: Zinc die-cast lock body; steel rods
- Finishes: Black (B), Satin Chrome (SC), Special Powdercoat (SPEC), White (PW)
Item Code Family — Lockwood Twin Bolt Lock Kits
* Denotes finish code: B = Black, SC = Satin Chrome, SPEC = Special Powdercoat, PW = White
Suitable Uses
- Aluminium-framed French doors requiring 2-point top/bottom locking.
- Bi-fold door applications needing internal locking only.
- Projects needing Euro cylinder compatibility for special or master keying.
- Retrofits where CYL4™ one-key convenience is required across a property.
Accessories & Spares
Warranty
- General Warranty: 25 years on mechanical parts
- Finishes: Stainless/Chrome 10 yrs; Decorative/Colour Powdercoat 2 yrs
Download PDF Resources
|
Lockwood 25 Year Mechanical Warranty (Conditions Apply) |
|
Lockwood Euro Profile Mortice & Twin Bolt Locks — Catalogue |
