Lockwood 3641 Short Backset Mortice Deadlock Turn with Security Strike No Cylinder - Satin Chrome
The Lockwood 3641RT2SCNCYLSS Mortice Deadlock features an internal turn and security strike, supplied without a cylinder for applications requiring internal control only.
Designed for narrow stile sliding and hinged doors, the hook bolt engages securely into the included security strike when fully thrown, providing strong 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 turn operation
- Supplied with security strike for enhanced bolt engagement
- No cylinder included for external access
- Hook bolt provides strong locking when engaged
- Suitable for sliding and hinged narrow stile doors
- Reversible handing for flexible installation
Suitable Uses
- Internal secure areas without external key access
- Commercial aluminium door systems
- Sliding and hinged narrow stile doors
- Industrial and institutional buildings
- Applications requiring internal thumb turn locking
Specifications
Frequently Asked Questions
Does this include a cylinder?
No, this model is supplied without a cylinder for internal-only operation.
What is the benefit of a security strike?
It improves engagement and resistance when the hook bolt is fully locked.
Can this be used on sliding doors?
Yes, it is designed for both sliding and hinged narrow stile doors.
Additional Information
- Commonly used where internal control is required without external key access.
- Security strike improves overall locking performance.
- Hook bolt design provides enhanced resistance against forced entry.
- Widely specified in Australian commercial aluminium door systems.
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.
