
Lockwood 5541 Short Backset Mortice Deadlock No Cylinder - Satin Chrome
The Lockwood 5541 Short Backset Mortice Deadlock No Cylinder is designed for narrow stile door applications requiring a compact and secure mortice locking solution.
This configuration is supplied without a cylinder, allowing flexibility for integration with compatible cylinder systems as required.
Part of the Lockwood Synergy range, it delivers reliable performance in commercial and architectural door hardware applications.
Usually ships in 10 business days
Key Features
- Short backset mortice deadlock for narrow stile doors
- Supplied without cylinder for flexible configuration
- Positive action deadbolt engages securely into strike
- Suitable for sliding and swing door applications
- Compatible with key, turnknob, escape turn or handle operation
- Part of Lockwood Synergy mortice lock range
Suitable Uses
- Narrow stile aluminium and timber doors
- Commercial door systems requiring custom cylinder setups
- Sliding and hinged door applications
- Architectural door hardware specifications
- Retrofit or replacement mortice lock installations
Specifications
| Brand | Lockwood |
| Product Type | Short backset mortice deadlock |
| Configuration | No cylinder |
| Door Thickness | 32-50mm |
| Backset | 30mm |
| Bolt Projection | 15mm |
| Standards | Tested to Australian Standard |
| Finish | Satin Chrome |
Frequently Asked Questions
Does this include a cylinder?
No, this model is supplied without a cylinder.
Can I install my own cylinder?
Yes, it is designed to be used with compatible mortice lock cylinders.
Where is this typically used?
Commonly used in narrow stile aluminium and commercial door systems.
Additional Information
- Provides flexibility for custom cylinder configurations.
- Suitable for both new installations and retrofits.
- Engineered for durability in high-use commercial environments.
- Commonly specified in architectural door hardware schedules.
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 25 years
- Electrical and electronic components: 2 years (excluding batteries)
Lockwood Synergy Mortice Locks Catalogue

Lockwood Synergy Mortice Locks Catalogue
Lockwood Warranty
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty 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.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (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 naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
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.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.