Mottura 50.557 Three-point mortise lock – Reversible latchbolt – 150 mm backset
• Mottura 50.557 three-point mortise lock with reversible latchbolt Ø18 mm, 2 round bolts Ø18 mm (centre distance 50 mm) and 150 mm handle backset.
• Supplied with 3 brass 40 mm stem keys and internal/external escutcheons.
• Select the key length according to your door thickness.
• Accessories not included, see complementary items below.
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A2Pro
149, Avenue Henri Barbusse
93700 Drancy
• The Mottura 50.557 is a high-security three-point mortise lock featuring a reversible latchbolt Ø18 mm (right/left) operated by the key and the 8 mm square spindle.
• It includes 2 round bolts Ø18 mm spaced at 50 mm, providing a secure and reliable locking system.
• Designed for Mottura armored doors, its 150 mm handle backset ensures perfect compatibility.
• The key length should be chosen carefully:
- 40 mm: standard length
- 50 / 60 / 85 mm: select according to door thickness
Accessories not included: faceplate, strike plates, rods, and trims (to be ordered separately).
See complementary accessories above.
• Technical specifications
- Type: Three-point mortise lock with reversible latchbolt
- Latchbolt: Ø18 mm, reversible right/left
- Round bolts: 2 bolts Ø18 mm
- Bolt spacing: 50 mm
- Handle backset: 150 mm
- Backset: 63 mm
- Bolt throw: 40 mm
- Rod travel: 17 mm
- Finish: zinc-plated steel
- Handing: right / left reversible
- Use: armored doors
• Supplied with:
- 3 keys with 40 mm stem – brass finish
- Internal escutcheon – brass finish
- External escutcheon – brass finish
• Optional accessories:
- Keys with 50 mm, 60 mm, 85 mm stems (to match door thickness)
- Internal and external guide bushings
- Mottura
- 50.557
- 3 Points
- double bit
- 3
- Acier zingué
- Ø18 mm
- 150 mm
- 40 mm
- 17 mm
- L182 X H146