Universal Door Lock UN ZW 1000M 90/50 Chrome glossy — mortise lock, 1 piece

UN ZW 1000M 90/50 Chrome glossy is a universal mortise door lock supplied as a single unit and finished in glossy chrome. Designed for standard interior and exterior doors, the lock has a reversible latch and mounting geometry compatible with common door preparations. The 90/50 sizing makes it suitable for typical door thicknesses and frame types encountered in residential and light commercial installations, providing a mechanical locking solution without electrical components.

Advantages

The lock offers a reversible latch for left- or right-handed doors and a durable glossy chrome finish that resists everyday wear. Its universal mortise design enables straightforward installation into standard door cutouts, and the single-piece supply simplifies ordering for individual replacements or new installations. The mechanical construction provides reliable operation in environments where a simple, serviceable lock mechanism is required.

Suitable for (tasks / use cases)

• Interior doors in homes and apartments
• Exterior doors with standard mechanical locks in light commercial buildings
• Replacement of existing mortise locks with common 90/50 dimensions
• Doors requiring reversible handing without altering the lock body

Key specifications

• Type: Mortise (inset) lock
• Finish: Glossy chrome
• Size/format: 90/50 dimensions
• Configuration: Single-piece supply (one lock)
• Latching: Reversible latch for left or right handing
• Application: Suitable for interior and light commercial exterior doors

How to use

Install the mortise lock into a compatible door cutout following standard fitting practice: position the lock body in the prepared mortise, align the faceplate with the door edge and secure with screws through the faceplate into the door. Fit strike plate to the frame to ensure correct latch engagement. Reverse the latch orientation if needed before final tightening to match the door handing. Use standard door handles, cylinders or thumbturns that match the lock’s spindle and bore dimensions.

Usage recommendations

Verify door thickness and backset dimensions before installation to confirm compatibility with 90/50 sizing. For exterior installations, ensure adequate sealing and weatherproofing around the lock and frame; periodic lubrication of moving parts will help maintain smooth operation.