- 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
The Chain Type Operator provides secure locking for awning windows, suitable for both aluminium and timber windows with butt or hook hinges or non-friction stays. This Trade Pack variant includes a mild steel chain and a 5-disc wafer cylinder, supplied with 2 Whitco keys.
Maximum opening: 300mm (19 handle turns to fully open)
Can be wound closed while locked
Retrofits existing Whitco MK7 and MK8 chainwinder models
Foldable handle knob reduces width, preventing damage and interference with blinds
Zinc die-cast body and mechanism, with a passivated zinc steel base plate and chain
Corrosion-resistant version available with stainless steel chain and base plate
Exceeds Australian window lock standard AS4145.3-2001, level DW2SW2K1
Chain can be restricted to 100mm or 150mm opening lengths via restrictor clip, helping comply with Building Code Australia D2.24 (Protection of Operable Windows)