Lockwood Twin Bolt Mortice Lock Kits — LW78 Series (Bi-Fold & French Door Applications)
This product is a special order (build to order) item and is not returnable.
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 without rods
- 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 |
Lockwood Warranty Overview
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary depending on product type, mechanical components, electrical elements, and finish category.
This overview summarises the structure of Lockwood warranty coverage. Full terms, exclusions and claim procedures are set out in the official Lockwood Warranty document.
Warranty Periods Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- Decorative finishes including Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants: typically up to 2 years against corrosion.
- Unlacquered brass finishes will naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where cleaning and maintenance have not been followed.
What the Warranty Covers
- Defects in material and workmanship during the applicable warranty period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
Common Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product through the original place of purchase where applicable.
- If claiming directly, obtain a case number before returning goods.
- Products must be securely packed and clearly identified.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
Lockwood warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded. Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage.
Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.
