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Horizontal 5 Lever Sash Lock, Mortice, 57 mm Backset, Stainless Steel or Brass (Product Part No: 911.03.290) is a... Read More
Horizontal 5 Lever Sash Lock, Mortice, 57 mm Backset, Stainless Steel or Brass (Product Part No: 911.03.290) is a premium architectural door lock designed for secure, smooth everyday use. Built for hinged wood doors, this horizontal mortice sash lock blends classic 5-lever security with a refined, modern look thanks to its satin stainless steel finish.
Perfectly at home in residential and commercial projects, this Latch operated by knobs lock features a 57 mm backset and a 151 mm case size, making it an ideal choice when you want a reliable fit and a professional installation result. The flat forend has a rounded design with a 20 mm forend width, providing a clean, understated profile on the door surface.
Engineered for comfort and practicality, the latchbolt is a standard latch with a 78 mm distance and 60 mm forend type. The standard deadbolt and 5-lever mechanism offer confidence you can feel, while the lock is DIN left/right (reversible) for flexible fitting—ideal for wider project requirements. For added usability, it includes noise reduction for quiet closing, helping you maintain a calm, uninterrupted space.
Suitable for WC/Bathroom use and manufactured to DIN 18251 Part 1, grade 3, the Horizontal 5 Lever Sash Lock, Mortice, 57 mm Backset, Stainless Steel or Brass is supplied with fixings to support a straightforward install. Upgrade your doors with durable, attractive ironmongery—choose this satin stainless steel mortice sash lock for dependable performance and a polished finish.
Satin
Fixings
Yes. It is DIN left right reversible, so you can fit it to a hinged door on either side without changing to a different version.
Backset is 57 mm and the case size is 151 mm. These measurements are important when replacing an existing lock, to ensure the new unit fits your door.
This latch operated by knobs can be used on internal hinged doors, including WC and bathroom applications. If you need a specific privacy function for your door hardware, it is best to confirm your current fitting style before ordering.
The lock is latch operated by knobs. When the knobs are turned, it controls the latchbolt for day to day access, making it a straightforward choice for internal door installations.
It is supplied in satin stainless steel with a satin look, which pairs well with many modern ironmongery sets and helps maintain an attractive appearance in busy areas.
Yes. The lock includes noise reduction for quiet closing, helping the door shut more softly compared with standard latch mechanisms.
It is supplied with fixings to make installation easier. Always check that the fixings match your door thickness and existing cut outs.
