MACO MK1 Shootbolt Espag Gearbox (Choice of 20mm or 22mm backset) The core of lasting security The MACO MK1 Gearbox is the core component of the MACO MK1 Shootbolt Espagnolette window locking system. Available with 20mm and 22mm backsets, it works seamlessly with the system’s croppable extensions, which integrate both shootbolts and mushroom cams for superior security. This design has been rigorously tested to withstand 7.4kN of force and over 40,000 life cycles, far surpassing industry standards such as BS7950:1997 and PAS 24. Engineered for both performance and longevity, the MACO MK1 gearbox features a Silverlook-Evo finish that provides up to 600 hours of salt spray resistance (EN 1670 Grade 5), making it highly resilient in severe weather conditions. Backed by MACO’s 10-year Secure Plus guarantee, which includes up to £1,000 of insurance excess cover, this system provides reliable operation, enhanced security, and peace of mind. Features & Benefits Versatile Backset Options – available in common sizes of 20mm and 22mm, fitting a wide range of window profiles Euro Groove Compatible – designed to fit the standard euro groove found on most modern windows Broad Compatibility – reverse-action gear allows use on both left- and right-handed windows Secure Connection – robust serrated fitting links gearbox to extensions for a strong, reliable lock Cost-Effective and Reusable – gearbox fits multiple window sizes; only shootbolt extensions need replacing Durable Performance – tested for over 40,000 life cycles and resists 7.4kN load, exceeding BS7950:1997 and PAS 24 standards Extreme Corrosion Resistance – Silverlook-Evo finish provides Grade 5 protection (up to 600 hours salt spray), ideal for harsh environments Enhanced Security – compatible with shootbolt extensions featuring mushroom cams Peace of Mind Guarantee – MACO’s 10-year Secure Plus guarantee includes up to £1,000 insurance excess cover Did you know? The MACO MK1 Gearbox is crafted for durability and performance. Its internal reverse-action gear is made from sintered steel (D30 to DIN 30910), a high-strength material, while its zinc diecast components are made from Zamac Z410 to DIN 1743, ensuring robust and reliable operation.
