
Whitco MK8 Chainwinder Push To Lock MS Chain 5 Disc – No Screws
Key Features
- Whitco MK8 push to lock chainwinder for awning windows.
- 5 disc wafer cylinder push button locking mechanism.
- Chain type operator suitable for aluminium or timber awning windows.
- Compatible with butt hinges, hook hinges and non friction stays.
- Smooth and quiet operation.
- Through flyscreen operation.
- Maximum opening approximately 300 mm.
- Approximately 19 handle turns required for full opening.
- Foldable knob handle reduces width preventing interference with blinds.
- Retrofits existing Whitco MK7 and MK8 chainwinders.
- Opening restrictor clips allow 100 mm or 150 mm restriction options.
- Exceeds Australian Window Lock Standard AS4145.3 Level DW2SW2.
Specifications
- Item Code: W380816
- Product Series: Whitco MK8
- Product Type: Push To Lock Window Chainwinder
- Cylinder Type: 5 Disc Wafer
- Chain Material: Mild Steel
- Maximum Opening: 300 mm
- Handle Turns: Approximately 19
- Application: Aluminium or Timber Awning Windows
- Mounting: Surface Mounted
- Pack Type: Trade Pack – No Screws Included
Frequently Asked Questions
What windows does this chainwinder suit?
It suits aluminium or timber awning windows fitted with butt hinges, hook hinges or non friction stays.
What does “No Screws” mean?
This trade pack version does not include mounting screws or accessories. It is intended for replacement installations where fixings are already available.
Can the opening be restricted?
Yes. A restrictor clip can limit the window opening to approximately 100 mm or 150 mm to help comply with window safety regulations.
Additional Information
- The Whitco MK8 series is widely used across Australian residential awning window installations.
- Push button locking mechanism provides convenient window security.
- Designed to retrofit existing Whitco MK7 or MK8 chainwinder installations.
- Corrosion resistant versions are available with stainless steel chain and base plate.
Whitco MK8 Chainwinder Push To Lock – Item Code Family
Whitco branded products are covered by a 10 Year manufacturer warranty against defects in materials and workmanship.
- Pneumatic door closers: 12 months
- Keys: 12 months
- Finishes and cosmetic damage: excluded
- Removal, refitment and labour: excluded

Whitco Warranty Overview
Whitco branded products are manufactured by ASSA ABLOY Australia Pty Ltd and are covered by manufacturer warranties applicable to products sold in Australia. The warranty covers defects in material and workmanship subject to limitations, exclusions and proper installation and maintenance.
This summary outlines the key elements of Whitco warranty coverage. Full warranty terms, claim procedures and exclusions are detailed in the official Whitco warranty documentation.
Warranty Periods Summary
Finish & Material Notes
- Stainless steel is corrosion resistant but not stain-proof.
- Tea staining may occur if products are not cleaned and maintained in accordance with manufacturer recommendations.
- Cosmetic finish deterioration or appearance damage is not covered by warranty.
What the Warranty Covers
- Defects in materials and workmanship within the applicable warranty period.
- Assessment by ASSA ABLOY to determine whether warranty coverage applies.
- Repair, replacement with the same or closest equivalent product, or refund of purchase price at ASSA ABLOY's' discretion.
Common Warranty Exclusions
- Normal wear and tear.
- Misuse, abuse or installation outside manufacturer specifications.
- Improper maintenance or neglect.
- Unauthorised modification or repair.
- Use of non-genuine ASSA ABLOY parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or high humidity.
- Removal, refitment, transport or labour costs.
- Second-hand goods or products not originally sold through authorised Australian channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product to the authorised retailer from whom it was purchased where applicable.
- If claiming directly with ASSA ABLOY, contact customer service to obtain a Case Number.
- Securely package the product and include proof of purchase.
- Clearly mark the Case Number on the returned package.
Australian Consumer Law
Whitco warranties operate in addition to rights provided under the Australian Consumer Law. Goods come with guarantees that cannot be excluded under Australian law.
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
Whitco Warranty Overview
Whitco branded products are manufactured by ASSA ABLOY Australia Pty Ltd and are covered by manufacturer warranties applicable to products sold in Australia. The warranty covers defects in material and workmanship subject to limitations, exclusions and proper installation and maintenance.
This summary outlines the key elements of Whitco warranty coverage. Full warranty terms, claim procedures and exclusions are detailed in the official Whitco warranty documentation.
Warranty Periods Summary
Finish & Material Notes
- Stainless steel is corrosion resistant but not stain-proof.
- Tea staining may occur if products are not cleaned and maintained in accordance with manufacturer recommendations.
- Cosmetic finish deterioration or appearance damage is not covered by warranty.
What the Warranty Covers
- Defects in materials and workmanship within the applicable warranty period.
- Assessment by ASSA ABLOY to determine whether warranty coverage applies.
- Repair, replacement with the same or closest equivalent product, or refund of purchase price at ASSA ABLOY's' discretion.
Common Warranty Exclusions
- Normal wear and tear.
- Misuse, abuse or installation outside manufacturer specifications.
- Improper maintenance or neglect.
- Unauthorised modification or repair.
- Use of non-genuine ASSA ABLOY parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or high humidity.
- Removal, refitment, transport or labour costs.
- Second-hand goods or products not originally sold through authorised Australian channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product to the authorised retailer from whom it was purchased where applicable.
- If claiming directly with ASSA ABLOY, contact customer service to obtain a Case Number.
- Securely package the product and include proof of purchase.
- Clearly mark the Case Number on the returned package.
Australian Consumer Law
Whitco warranties operate in addition to rights provided under the Australian Consumer Law. Goods come with guarantees that cannot be excluded under Australian law.
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.