Interlock Wedgeless DLX Lock - Face Fix 4mm
The Interlock Wedgeless DLX Lock Face Fix 4mm is a locking window fastener designed for aluminium and PVC window systems. Its patented wedgeless design incorporates the sealing wedge as a folding flap attached to the base of the handle, removing the need for a separate wedge component.
This deluxe version features a longer handle for improved grip and a push button cylinder locking mechanism for added security. It is suited to window installations where dependable sealing, straightforward operation, and a cleaner face fixed design are required.
Commonly used on awning and casement windows, this model is suitable for residential applications where a locking fastener is preferred.
Usually ships in 2-3 business days
Key Features
- Wedgeless design with integrated folding flap
- Locking fastener with push button cylinder locking
- Extended 107mm handle length for improved grip
- Face fixed configuration
- Suitable for aluminium and PVC windows
- Available in 4mm and 6mm backsets within the range
- Pressure die-cast main body with colour matched injection moulded nylon flap
- Easy to install and operate
- Tested to Australian Standards
Suitable Uses
- Awning windows
- Casement windows
- Residential aluminium window systems
- Residential PVC window systems
- Installations requiring locking window hardware with integrated wedge action
Full Specifications
Item Code Family
Frequently Asked Questions
Is this fastener locking or non-locking?
This is a locking window fastener with a push button cylinder locking function.
Does this include a separate wedge?
No. The wedgeless design integrates the wedge function into a folding flap attached to the base of the handle.
What is a common installation mistake to avoid?
Incorrect handing selection or backset choice can affect operation and sealing performance, so these should be checked before installation.
Additional Information
- Commonly specified on residential awning and casement windows where improved sealing and locking are required.
- The longer deluxe handle offers better leverage and a more comfortable grip than shorter base models.
- Integrated wedge systems reduce the need to match and fit separate wedge components during installation.
- Correct handing selection remains important, especially when replacing older window fasteners in existing joinery.
ASSA ABLOY branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 10 years
- Electrical and electronic components: 5 years (excluding batteries)
- Cylinders and keys: 3 years
ASSA ABLOY Warranty Overview
ASSA ABLOY branded products sold in Australia are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty coverage varies depending on mechanical components, electronic components, cylinders and finish categories.
This overview summarises the structure of ASSA ABLOY warranty coverage. Full terms, exclusions and claim procedures are set out in the official ASSA ABLOY Warranty document.
Warranty Periods Summary
Finish & Material Notes
- Stainless steel does not mean stain-free. Tea staining is not covered where cleaning and maintenance guidelines have not been followed.
- Cosmetic, decorative and appearance damage is not covered.
- Battery failure or battery leakage damage is not covered.
What the Warranty Covers
- Defects in material and workmanship within the applicable period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
- Remedy determined at ASSA ABLOY’s discretion.
Common Exclusions
- Normal wear and tear.
- Misuse, abuse or installation outside published technical specifications.
- Improper maintenance or neglect.
- Unauthorised modification or repair.
- Use of non-genuine ASSA ABLOY parts or substitute components.
- Exposure to corrosive environments including coastal air, salt spray, chemicals, contamination or high humidity.
- Removal, refitment, freight or labour charges.
- Second-hand or imported products not sold through authorised Australian channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product to the original authorised retailer where applicable.
- If claiming directly, obtain a case number before returning goods.
- Securely package returned goods and clearly reference the case number.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
ASSA ABLOY 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.
Official Warranty Documents
