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Mortice Bathroom Lock (MBL5578) 55x78mm

SKU: 391800100428

Cassario Mortice Bathroom Lock 78mm–55/60mm Backset SS304 Satin Stainless Steel is designed for privacy applications with latch and thumb turn deadbolt operation, suitable for use with 8mm spindle handle sets. Engineered for consistent performance across residential, hospitality, and commercial bathroom door systems.

AED 93
AED 93
MRP is inclusive of all taxes
Color: Satin Stainless Steel
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Note :
* All images shown are for illustration purpose only. Actual product may vary.
* Minor differences in fabric colour, tile shade, wood grain, or finish may occur due to screen settings, lighting, manufacturing variation, or batch differences.
* Product colour may vary slightly due to photographic lighting or your display settings.
* Reasonable dimensional tolerances apply; slight measurement variances are acceptable and industry‑standard. View Product details
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Summary
Brand:
CASSARIO
Collection:
Mortice Lock
Material:
Stainless Steel 304 Grade
Product Type:
Locks & Latches
Model:
Bathroom Lock
Mounting:
Lockbody Concealed Installation in Door Leaf Edge & Strike Plate in Door Frame
Origin:
Italy
Colour:
Finish:
Satin

The Cassario mortice bathroom lock is developed as part of a complete architectural hardware system, ensuring compatibility with lever handles and thumb turn sets. Constructed from SS304, including latch and deadbolt components, it delivers durability, corrosion resistance, and smooth functionality in moisture-prone environments.

 

Core Features

  • 55mm / 60mm backset, 78mm centres
  • SS304 forend, strike plate and follower
  • SS304 latch bolt and SS304 dead bolt
  • Tested to Grade X: 200,000 test cycles
  • Forend and strike plate available in square or radius
  • Pierced to accept bolt-through furniture and escutcheons at 38mm centres
  • Lever handles retract latch. Thumb turn operates dead bolt
  • Supplied with anti-rattle strike plate
  • Two-turn dead bolt extension
  • Easy reversible latch bolt without tampering with lock mechanism
Specifications
Mortice Bathroom Lock (MBL5578) 55x78mm
Dimensions
Length:
55mm
Height:
78mm
Technical
Cycle Test/Grade:
BS EN 12209
Corrosion & Fire Rating:
Yes
Installation Details
Package Contents:
Lockbody (1 nos) Strike Plate (1 nos) Screws (1 set)
Door Width Compatibility:
40mm-55mm
Downloads
The 2D and 3D files(3ds Max software) available are to be used exclusively for planning and must not be used to gauge precise measures for incisions or interlocking. The drawings indicate the sizes required (in mm) in compliance with standard tolerances. For exact sizes, we recommend measuring the finished product.
Specifications
Technical Data Sheet
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