Lockwood 3742 Short Backset Mortice Lock 35mm Bolt (Timber) - Satin Chrome
The Lockwood 3742 Short Backset Mortice Lock 35mm Bolt is a robust primary locking solution designed for timber doors where narrow stile conditions require a reduced backset. This model features a 35mm bolt for enhanced engagement and secure locking performance.
It utilises a positive action swing bolt mechanism that locks firmly into a strike when engaged, delivering consistent performance in both sliding and hinged door applications.
As part of the Lockwood Synergy mortice lock range, this model is widely used across commercial and institutional environments where durability and reliability are critical.
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Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Short backset mortice lock for timber doors
- 35mm bolt for increased locking engagement
- Positive action swing bolt mechanism
- Suitable for narrow stile sliding and swing doors
- Reversible handing for flexible installation
- Part of Lockwood Synergy mortice lock range
Suitable Uses
- Timber narrow stile doors
- Commercial and institutional buildings
- Retail and hospitality environments
- Sliding and hinged door applications
- High-use access points
Full Specifications
Frequently Asked Questions
Does this lock include a cylinder?
No, this is a primary lock body and requires compatible cylinder and furniture.
Is the lock suitable for narrow stile doors?
Yes, the short backset design is specifically intended for narrow stile applications.
What is a common installation mistake?
Incorrect strike positioning can prevent proper bolt engagement.
Additional Information
- Commonly specified across Australian commercial timber door installations.
- 35mm bolt provides improved security engagement compared to shorter bolts.
- Short backset design solves clearance issues in narrow door frames.
- Ensure correct hardware selection for full lock functionality.
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
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.
