
Lockwood 5541 Short Backset Mortice Deadlatch No Cylinder Escape Turn 36mm Bolt - Satin Chrome
The Lockwood 5541 Short Backset Mortice Deadlatch No Cylinder Escape Turn 36mm Bolt is a short backset swing-bolt deadlock designed for narrow stile sliding and swing doors.
This lock features a positive action deadbolt that is hooked to engage and lock into a latching or security strike when the bolt is in the thrown position.
The deadbolt is locked or unlocked by either key, turnknob, escape turn or handle, making it suitable for secure access and controlled egress applications.
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Key Features
- Short backset swing-bolt deadlock
- Suitable for narrow stile sliding and swing doors
- Positive action deadbolt engages into a latching or security strike
- Deadbolt can be locked or unlocked by key, turnknob, escape turn or handle
- Built from quality materials for smooth operation and solid feel
Suitable Uses
- Narrow stile sliding doors
- Narrow stile swing doors
- Commercial mortice lock applications
- Doors requiring escape turn functionality
Specifications
Frequently Asked Questions
Does this lock include a cylinder?
No, this model is supplied as a no cylinder configuration.
Is this suitable for narrow stile doors?
Yes, it is designed for narrow stile sliding and swing doors.
What handing is available?
This product is available in right hand and left hand variants.
Additional Information
- This lock is part of the Lockwood Synergy Mortice Locks range.
- The short backset design is suited to narrower door stile applications where standard mortice locks may not fit.
- Escape turn functionality supports applications requiring controlled internal egress.
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 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.