Whitco 5 Disc Lockable Chainwinder

5 Disc Lockable Chainwinder
5 Disc Lockable Chainwinder
5 Disc Lockable Chainwinder
5 Disc Lockable Chainwinder

Chain type operator provides locking for awning windows. 

Features of the 5 Disc Lockable Chainwinder

  • 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 1 mm between locking points
  • Maximum opening 300 mm, 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
  • Residential pack available with printed instructions on sealed poly bag
  • Exceeds the requirements of Australian window lock standard AS4145.3 - 2001 level DW2SW2K1
  • Restricted opening version can satisfy pool regulation requirements



  • 5 disc wafer cylinder - Can be Keyed Alike to other Whitco 5 disc products
  • Two Whitco keys included


Brackets, Handle and Accessory Pack


Window size guidelines
Maximum weight of sash 15 kg with 300 mm opening. Contact customer service for more information.

Recommended maximum sash width of 900mm to ensure adequate weather sealing of the window system.

Minimal effect to full exposure to 96 hours Neutral Salt Spray mounted on powder coated Aluminium sill section.


Residential Pack

Description Part Number
Satin Chrome W380105D5K
Brown W380113D5K
White W380116D5K
Black W380117D5K
Primrose W380119D5K