Whitco Chainwinder MK8

Please note, this item has a handling time of five(5) business days after payment is made.

CYL4 and stainless steel winders have a handling time of ten(10) business days after payment is made.

Chain type operator provides locking for awning windows.


  • CYL4 One Key Security  Can be matched to most door locks for one key convenience
  • 5 disc wafer cylinder Can be matched to other Whitco 5 disc products
  • Suits aluminium or timber awning windows with butt or hook hinges or non-friction stays
  • Smooth operation
  • Through flyscreen operation
  • Push button to lock, key to unlock
  • Less than 1mm between locking points
  • Maximum opening 300mm, 19 handle turns to fully open
  • Can be wound closed when locked
  • Hooded sash bracket prevents chain being disengaged from sash
  • Zinc diecast Security Sash plate
  • Standard and one way fixing screws supplied
  • Retrofits existing MK7 and MK8 Whitco chainwinder models
  • Foldable knob in handle reduces width preventing damage and interference with blinds
  • Restricted opening versions available
  • Zinc diecast body and mechanism, Passivated Zinc steel base plate and Passivated Zinc steel chain
  • Corrosion resistant version available with Stainless Steel chain and Stainless Steel base plate
  • Exceeds the requirements of Australian window lock standard AS4145.3 2001 level DW2SW2K1
  • Restricted opening version can satisfy pool regulation requirements
  • Supplied keyed alike


  • Silver
  • Brown
  • White
  • Black
  • Primrose

Locking Options:

  • Non-locking
  • 5 disc wafer
  • CYL4


  • Standard 300mm Limited 100mm Limited 150mm

Chain & Base Plate Options:

  • Passivated zinc steel Stainless steel (corrosion resistant)
SKU ASSW380311
Barcode # 9311847769311
Brand Whitco
Shipping Weight 1.0000kg

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