
Whitco MK8 Chainwinder Push Lock – Stainless Steel Chain 5 Disc
Key Features
- Whitco MK8 push to lock chainwinder for awning windows.
- Corrosion resistant trade pack with stainless steel chain.
- 5 disc wafer cylinder locking system.
- Supplied with 2 Whitco keys keyed to your instruction.
- Suitable for aluminium or timber awning windows with butt hinges, hook hinges or non friction stays.
- Smooth operation with through flyscreen capability.
- Push button to lock and key to unlock.
- Maximum opening of approximately 300 mm with around 19 handle turns.
- Can be wound closed while locked.
- Retrofits existing Whitco MK7 and MK8 chainwinder models.
- Foldable knob handle reduces interference with blinds.
- Restriction clip can limit opening to approximately 100 mm or 150 mm.
Specifications
- Product Series: Whitco MK8
- Product Type: Push Lock Window Chainwinder
- Lock Type: 5 Disc Wafer Cylinder
- Chain Material: Stainless Steel
- Pack Type: Corrosion Resistant Trade Pack
- Keys Supplied: 2 Whitco Keys
- Maximum Opening: 300 mm
- Handle Turns: Approx. 19
- Window Suitability: Aluminium or Timber Awning Windows
- Operation: Through Flyscreen Operation
- Body Material: Zinc Diecast
- Base Plate Material: Passivated Zinc Steel
- Standard Compliance: AS4145.3 - 2001 Level DW2SW2K1
Available Finish Options
Silver Kinetic Pearl
Brown
White
Black
Primrose
Stone Beige
White Birch
Finish selection does not affect the mechanical operation of the chainwinder.
Dimensions
Frequently Asked Questions
What makes this model corrosion resistant?
This version includes a stainless steel chain, making it better suited to environments where improved corrosion resistance is required.
Can this chainwinder be keyed alike?
Yes. This model is supplied with 2 Whitco keys and can be keyed to your instruction. Include your keying requirements when placing the order.
What windows does this chainwinder suit?
It suits aluminium or timber awning windows fitted with butt hinges, hook hinges or non friction stays.
Additional Information
- Designed as a corrosion resistant option within the Whitco MK8 range.
- Suitable for residential awning window applications where keyed locking is required.
- Can be wound closed while locked for convenience.
- Common retrofit replacement for older Whitco MK7 and MK8 chainwinders.
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.