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

Chain type operator with CYL4® locking for awning windows. Suits aluminium or timber frames with butt, hook hinges or non-friction stays. Push-button lock, key to unlock. Retrofits MK7 and MK8 Whitco models.

Retail Pack includes mild steel chain, printed instructions, opening restriction clip, fixing screws and sash security brackets. Maximum 300mm opening (19 handle turns). Foldable knob reduces width to prevent blind interference.

Zinc diecast body with passivated zinc steel base plate and chain. Exceeds AS4145.3-2001 level DW2SW2K1. Restrictor clip available for 100mm or 150mm openings to meet Building Code Australia D2.24.

Keyed Alike option available — match to your existing C4 door key for one-key convenience across all ASSA ABLOY locks in your home. Model W380113. Whitco 10-year mechanical warranty. Suitable for windows up to 15kg.

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.