Whitco MK8 Chainwinder, Push to Lock, SS Chain, Tp, CYL4 Primrose

Whitco MK8 Chainwinder with Push to Lock and Stainless Steel Chain

Reliable chain operator for aluminium or timber awning windows. Features smooth operation with push-button locking and key unlock, suitable for butt, hook hinges, or non-friction stays. Maximum 300 mm opening with 19 handle turns to fully open. Can be wound closed when locked.

The foldable knob reduces width to prevent damage and interference with blinds. Retrofits existing MK7 and MK8 Whitco models. Zinc diecast body with passivated steel base plate exceeds AS4145.3-2001 level DW2SW2K1.

This trade pack includes stainless steel chain for corrosion resistance and CYL4 cylinder for one-key convenience across your home's locks. Supplied with 2 Whitco keys keyed to your specification. Chain opening can be restricted to 100 mm or 150 mm via restrictor clip to meet Building Code Australia D2.24 requirements.

CYL4 Technology: One key operates all ASSA ABLOY window locks, patio bolts, and compatible door locks. Quick and easy to re-key using the CYL4 Keying Kit.

Standard and Express orders are shipped within 1–2 business days, provided they do not contain special-order items. Special-order items may require additional processing time, which will be noted on the product page.