MK8 CHAINWINDER, PUSH TO LOCK, MS CHAIN, RP, CYL4 White

Chain type operator for CYL4® locking on awning windows. Suits aluminium or timber awning windows with butt or hook hinges or non friction stays.

This retail pack includes mild steel chain, printed instructions on sealed poly bag, opening restriction clip, standard and one-way fixing screws, and sash security fixing brackets.

Push button to lock, key to unlock. Maximum opening 300 mm with restrictor clip option for 100 mm or 150 mm to meet Building Code Australia D2.24. Foldable knob reduces width to prevent damage and interference with blinds. Retrofits existing MK7 and MK8 Whitco chainwinder models.

CYL4® One Key Security allows this lock to be keyed alike with most door locks using a standard 5 pin C4 key—one key for doors, windows, and gates throughout your home.

Zinc diecast body with passivated zinc steel base plate and chain. Exceeds AS4145.3 - 2001 level DW2SW2K1. Stainless steel version available for corrosion resistance.

Model W380116. Whitco 10 year mechanical warranty.

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.