Lockwood 3641 Short Backset Mortice Lock 28mm Bolt (Metal) - Satin Chrome
The Lockwood 3641SC Short Backset Mortice Lock is designed for narrow stile sliding and hinged doors requiring secure hook bolt locking.
This model features a 28mm swinging hook bolt that engages into a compatible strike, providing strong locking performance in commercial and architectural applications.
Usually ships in 10 business days
Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Short backset mortice lock with 28mm hook bolt
- Hook bolt engages into strike for secure locking
- Suitable for sliding and hinged narrow stile doors
- Operable via key, turn or handle depending on configuration
- Reversible handing for flexible installation
- Heavy duty construction for commercial environments
Suitable Uses
- Commercial aluminium doors
- Sliding and hinged narrow stile doors
- Shopfront glazing systems
- Industrial and institutional buildings
- Doors requiring hook bolt security
Specifications
Frequently Asked Questions
What is the benefit of a hook bolt?
It engages into the strike to provide stronger resistance against forced entry.
Can this be used on sliding doors?
Yes, it is designed for both sliding and hinged narrow stile doors.
What is a common installation mistake?
Incorrect alignment between the hook bolt and strike can reduce locking effectiveness.
Additional Information
- Hook bolt design provides improved security over standard deadbolts.
- Commonly specified in Australian commercial aluminium door systems.
- Requires compatible latching or security strike for correct operation.
- Suitable for high traffic commercial environments.
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 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.
