Lockwood 3641 Mortice Deadlock Escape Turn No Cylinder - Satin Chrome
The Lockwood 3641 Mortice Deadlock with internal escape turn and no cylinder is designed for secure locking of narrow stile sliding and hinged doors where external key access is not required.
This configuration provides internal control via escape turn, while the hook bolt engages securely into a strike when fully thrown, delivering reliable locking performance.
Usually ships in 10 business days
Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Mortice deadlock with internal escape turn only
- No cylinder supplied for external access
- Hook bolt engages into strike for secure locking
- Suitable for narrow stile sliding and hinged doors
- Reversible handing for installation flexibility
- Heavy duty construction for commercial environments
Suitable Uses
- Internal secure areas without external key access
- Commercial aluminium door systems
- Sliding and hinged narrow stile doors
- Restricted access internal doors
- Industrial and institutional buildings
Specifications
Frequently Asked Questions
Does this lock include a cylinder?
No, this model is supplied without a cylinder and is designed for internal operation only.
What is the purpose of the escape turn?
It allows quick unlocking from inside without a key for convenience and safety.
Can this be used on sliding doors?
Yes, it is designed for both sliding and hinged narrow stile door applications.
Additional Information
- Commonly used where internal control is required without external key access.
- Hook bolt design improves engagement with compatible strikes.
- Widely specified in Australian commercial aluminium door systems.
- Proper strike alignment is critical for optimal locking performance.
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)
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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.
