Mottura 50.556 Three-point mortise lock – Without latchbolt – 5 round bolts Ø18 mm

• The Mottura 50.556 is a high-security three-point mortise lock, similar to the 50.555 model but without latchbolt.
• It features 5 round bolts Ø18 mm with 25 mm centre distance, ensuring solid and reliable locking.
• Designed for armored doors, it operates entirely by key, with no handle spindle.
• The key length should be selected carefully:

• 40 mm: standard length
• 50 / 60 / 85 mm: choose 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 without latchbolt
• Round bolts: 5 bolts Ø18 mm
• Bolt spacing: 25 mm
• Backset: 63 mm
• Bolt throw: 40 mm
• Rod travel: 17 mm
• Operation: key only
• 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