
Lockwood 3642 Short Backset Mortice Deadlock Double Cylinder (Metal) - Satin Chrome
The Lockwood 3642RRSC Mortice Deadlock features a double cylinder configuration with a 35mm bolt for enhanced security in high demand commercial environments.
Designed for narrow stile sliding and hinged doors, it allows key operation from both sides, making it suitable for applications requiring controlled access and increased security.
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Key Features
- Short backset mortice deadlock with double cylinder operation
- 35mm bolt projection for deeper engagement and security
- Key operation from both sides for controlled access
- Suitable for sliding and hinged narrow stile doors
- Positive deadlocking action for secure locking
- Heavy duty construction for commercial environments
- Part of Lockwood 3540 series platform
Suitable Uses
- Commercial aluminium door systems
- Sliding and hinged narrow stile doors
- Retail shopfronts and glazed entries
- Industrial and institutional buildings
- Applications requiring key access from both sides
Specifications
Frequently Asked Questions
What is a double cylinder lock?
It allows key operation from both sides of the door for increased security.
Is this suitable for commercial doors?
Yes, it is designed for heavy duty commercial and industrial applications.
Can it be used on sliding doors?
Yes, it is suitable for both sliding and hinged narrow stile doors.
Additional Information
- Provides enhanced security for controlled access environments.
- Designed for Australian commercial door applications.
- Compatible with Lockwood mortice lock accessories.
- Engineered for durability and long service life.
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 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.