MACO MK2 Non-Croppable Espag Gearbox - 20mm Backset 9mm Cam - High Security Shootbolt Window Lock - uPVC Timber Aluminium

• Rapid Installation – Fixed-length components for standard-sized frames eliminate the need for manual cutting
• Bidirectional Security - mushroom cams move in opposing directions for high-force, central-locking resistance
• Weather Seal Compression - Features eccentric mushroom cams with +/- 1mm adjustment
• PAS 24 & SBD Approved - Fully compliant with the highest UK security standards and requirements
• Extreme Corrosion Resistance - Silverlook-Evo finish exceeds Grade 5 (600+ hours salt spray) for excellent weather durability
• Low-Friction Operation - Precision-engineered gearbox ensures smooth handle rotation and a long service life
• Multi-Frame Compatibility - Designed for standard 16mm Eurogrooves in uPVC, timber, and aluminium window profiles
• 10-Year Guarantee – Eligible for the MACO Secure Plus scheme, offering peace of mind and insurance excess cover

MACO MK2 Shootbolt Espag Gearbox (Non-Croppable) Reverse-action inline window lock gearbox featuring bidirectional roller mushroom cams. Engineered for quick installation and security, it is the central drive mechanism of the popular MACO MK2 (Mach II) espagnolette system and is compatible with non-croppable shootbolt extension rods for sash sizes ranging from 500mm to 1400mm. Designed for side and top-hung, outward-opening uPVC, aluminium and timber windows. Available with a 20mm or 22mm backset, and 7.7mm or 9mm mushroom cams. Manufactured from high-quality mild steel with advanced Silverlook-Evo surface protection for improved durability, ensuring smooth operation and reliable, PAS 24-compliant multi-point locking. Technical Information Backset Options: 20mm and 22mm Cam Heights: 7.7mm or 9.0mm mushroom cams Cam Adjustment: ±1mm (for seasonal compression adjustment) Shootbolt Adjustment: 10mm or 13mm selectable bolt throw Faceplate Width: 16mm Eurogroove Compatibility: 12mm standard and shallower eurogrooves Gearbox Type: Reverse action drive gear (non-handed; compatible with left and right opening) Material Specification: Faceplate: Mild Steel; Mushroom cams: Machine steel; Zinc components: Zamac Z410; Gears/Follower: Sintered powder steel D30 Coating / Finish: Silverlook-Evo self-healing, self-lubricating nano-capsule coating; tested beyond EN 1670 Grade 5 (600+ hours salt spray) Performance: Tested to PAS 24 and Secured by Design; exceeds 7kN load resistance Window Compatibility: Outward-opening casement windows (side or top hung); PVCu, aluminium, and timber profiles Handle Compatibility: Standard espagnolette handles (43mm fixing centres, 7mm square spindle) Recommended Fixings: 4mm / No.8 countersunk screws (espag to sash); M5 machine screws (handle to espag) Guarantee: MACO Secure Plus 10-year guarantee, including up to £1,000 insurance excess cover