MACO RAIL Espag Window Lock (Choice of 20mm or 22mm backset, and length) PAS 24 compliant twin cam security in a single inline system High-security Reverse Action In Line (R.A.I.L.) espagnolette window lock featuring a twin cam mechanism. Opposing 7.7mm mushroom locking points clamp onto both sides of a single striker plate, delivering exceptional resistance to jemmying and sash separation while achieving PAS 24 compliant security without the need for shootbolts. Available in 20mm or 22mm backsets, covering sash rebate sizes from 200mm to 1200mm. Designed for fast, straightforward installation, the one-piece mechanism requires no cropping or extensions. Compatible with standard and shallow Eurogrooves, it utilises MACO's existing mushroom striker range and features a ±1mm compression adjustment for seasonal settings. Finished in MACO’s Silverlook-Evo, the lock delivers outstanding corrosion resistance together with self-healing, self-lubricating protection for smooth, reliable long-term operation. Features & Benefits High-security – Bidirectional mushroom cams strongly engage both sides of a single striker plate PAS 24 compliant – Designed for enhanced resistance against forced entry via jemmying and sash separation Easy installation – One-piece inline design requires no cropping or extensions Flexible sizing – Suits 200–1200mm sash sizes with 20mm or 22mm backset options Wide compatibility – Works with standard 12mm and shallow Eurogrooves Seasonal adjustment – Eccentric cam compression control of ±1mm for summer/winter weathersealing Long-term durability – Silverlook-Evo finish provides high corrosion resistance with self-healing 10-Year Guarantee – Eligible for the MACO Secure Plus scheme, offering peace of mind and insurance excess cover Did you know? The Silverlook-Evo finish incorporates integrated nano-capsules that deliver a distinct "self-healing" effect. When a surface scratch occurs, these microscopic capsules rupture and release a protective film that migrates to seal the gap. Acting like an immune system for your hardware, this process actively blocks oxidation and rust before they can take hold.
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