Whitco Window Winder MK8 Lockable & Non-Lock Limited Open Child Safety Chain 

If you purchase more than 1 lock, all locks will be supplied keyed alike. ie. All locks work using the same key.

Chain Winder is designed to suit awning window systems.

Chain Winder Function - provides locking for aluminium or timber awning windows.

Features:

• Suits aluminium or timber awning windows with butt or hook hinges, or non-friction stays
• Smooth operation
• Through flyscreen operation
• Maximum opening 300mm, 19 handle turns  to fully open
• Foldable knob in handle reduces width preventing damage and interference with blinds
• Corrosion resistant version available with stainless steel chain and stainless steel base plate
• Retrofits existing MK7 and MK8 Whitco chainwinder models
• Retail pack has printed instructions on sealed poly bag, opening restriction clip, standard and one-way fixing screws
• The chain can be restricted to either 100mm or 150mm opening length via fitment of a restrictor clip in the base of the chain winder mechanism. The fitment of the restrictor clip assists the window to comply with Building Code Australia requirements D2.24 Protection of Operable Windows

Window Size Guidelines:

• Maximum weight of sash 15kg with 300mm opening
• Recommended maximum sash width of 900mm to ensure adequate weather sealing of the window system

Corrosion:

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

Specifications:

• Max Opening: 300mm
• Maximum Weight of Sash: 15kg
• Body Length: 280mm
• Centre to Centre: 267mm
• Available Finish:
  • Black
  • Brown
  • Primrose
  • Silver
  • White
• Locking Options:
  • Non-locking
  • 5 disc wafer
  • CYL4 Cylinder
• Chain & Base Plate Options:
  • Passivated zinc steel
  • Stainless steel (corrosion resistant)