Overview
The Italian-Style Minimalist Single-Sided Concealed Door Lock is an architectural mortise privacy latchset engineered for modern hidden doors, interior feature walls, flush wooden bedroom entryways, and concealed study doors. Designed for sleek aesthetic integration, the exterior side of the door remains completely seamless and free of protruding handles—featuring only a discrete 7.5 mm emergency release eyelet. The interior side is equipped with a refined, tactile knurled rotary knob that operates the magnetic/mechanical spring latch and provides reliable manual privacy locking without accidental lockouts. Paired with a compact mortise body and an adjustable strike plate, it delivers whisper-quiet closing and an ultra-clean appearance for contemporary residential and hospitality projects.

Key Features

• Minimalist Single-Sided Hidden Door Aesthetic: Completely eliminates exterior door handles or rosettes. From the outside, the door blends seamlessly into wall paneling or millwork, preserving undisturbed architectural lines.
• Tactile Knurled Interior Rotary Knob: A solid zinc alloy cylindrical knob with anti-slip milled grooves provides ergonomic rotation to retract the latch and engage the interior privacy lock.
• Manual Privacy Control (Anti-Lockout Protection): Functions similarly to a privacy latchset with manual locking; does not automatically re-lock upon exit, preventing accidental lockouts while guaranteeing peace of mind inside bedrooms and home offices.
• Discreet Exterior Emergency Release Hole: Features a tiny, flush-mounted 7.5 mm emergency grommet on the outside. In emergencies or accidental lock-ins by children, the lock can be easily released from the exterior using the included key, a standard flathead tool, or a hex pin.
• Universal Reversible Mortise Latch: Reversible latch bolt configuration accommodates both left-hand and right-hand inswing or outswing wooden interior doors.
• Fine-Tunable Strike Box: Includes a heavy-duty strike plate with an internal cushioning pad and lateral adjustment margin (+/- 1.5 mm) to ensure silent, rattle-free door closure against weatherstripping.

Technical Specifications

• Product Type: Italian-Style Single-Sided Concealed Interior Door Privacy Lock
• Lock Body Dimensions: Compact Mortise Casing (85 mm x 22 mm Faceplate; 87 mm Case Depth; 42.5 mm Backset)
• Faceplate & Strike Dimensions: Latch Faceplate 85 mm x 22 mm (Hole Spacing 71 mm); Strike Plate 110 mm x 24 mm (Hole Spacing 90 mm)
• Interior Knob Dimensions: Ergonomic Cylindrical Knurled Knob (approx. 45 mm diameter x 38 mm projection)
• Exterior Emergency Hole: 7.5 mm Inner Aperture / 16 mm Outer Flange Grommet Ring
• Primary Material: Solid Die-Cast Zinc Alloy, High-Tensile Steel Internal Linkage, Stainless Steel Faceplates
• Finish Options: Architectural Matte Black, Satin Brushed Stainless Steel / Silver
• Door Compatibility: Solid timber doors, flush interior wooden doors, and hidden panel feature doors (Recommended thickness: 35 mm – 50 mm / 1-3/8" – 2")
• Package Includes: 1x Mortise Latch Body, 1x Interior Knurled Privacy Knob with Spindle, 1x Exterior Emergency Grommet Ring, 1x Emergency Release Key, 1x Strike Plate with Dust Box, and Mounting Screws

Wholesale & OEM Capabilities

• Direct Factory Supply: Precision manufactured by Ningbo Dimon for architectural millwork contractors, hidden door manufacturers, and interior door hardware wholesalers.
• Customization Options: Custom finishes available (Brushed Brass, Gunmetal Gray, Matte White) and extended spindle configurations for thick architectural doors.
• Protective Export Packaging: Individually packaged in reinforced presentation boxes with internal foam compartments and 1:1 drilling hole routing templates; export cartons securely banded for international container transport.