Overview:

The Dimon 2D Adjustable Concealed Door Hinge provides an ultra-clean, minimalist architectural finish for flush interior doors, secret doors, and contemporary concealed doorways. Engineered with a compact 25 x 130 mm narrow-side mortise profile, this hidden hinge fits standard and narrow-jamb door leaves while remaining completely invisible when the door is closed. Built with a heavy-duty 304 precision-cast stainless steel pivot structure and high-strength alloy body, it delivers exceptional structural stability, smooth pivot rotation, and long-term sagging resistance. Each hinge includes snap-on magnetic trim cover plates that completely conceal all mounting screws and adjustment bolts for a clean, refined appearance.

Key Features:

• Completely Invisible Flush Design: Mortised cleanly into the door slab and jamb, concealing all functional hardware when closed for seamless interior wall integration.
• Two-Dimensional (2D) Precision Alignment: Integrated hex adjustment screws allow easy post-installation vertical height and depth/gap calibration without detaching the door leaf.
• Snap-On Magnetic Trim Covers: Equipped with quick-fit magnetic cover plates that effortlessly snap into place to hide all fastener heads and adjustment ports.
• High-Strength Hybrid Construction: Features a 304 precision-cast stainless steel core linkage paired with a reinforced alloy housing to support substantial door weights without warping.
• Silent & Low-Friction Operation: Fitted with self-lubricating composite bushings and precision pivot pins for whisper-quiet, smooth door swing cycles.
• Universal Non-Handed Mounting: Fully reversible design engineered for both left-hand and right-hand swinging doors.

Technical Specifications:

• Dimensions: 25 mm W x 130 mm L (approx. 0.98" x 5.12"); Mortise Depth: approx. 21–25 mm
• Materials: 304 Precision Cast Stainless Steel Linkage + High-Strength Zinc/Aluminum Alloy Body
• Finish: Corrosion-resistant Matte Black
• Adjustment Range: 2D Adjustment (Vertical: ±2.5 mm; Depth/Clearance: ±1.5 mm)
• Opening Angle: 120°–135° (dependent on frame rebate)
• Recommended Door Thickness: Minimum 35 mm (1-3/8") to 45 mm (1-3/4")
• Load Capacity: Up to 40 kg (88 lbs) per pair; up to 60 kg (132 lbs) using 3 hinges
• Package Contents: 2D Concealed Hinge, snap-on magnetic trim cover plates, and mounting fasteners

Wholesale & OEM Capabilities:

• Factory-Direct Supply: Direct B2B volume pricing from Ningbo Dimon Metal Products Co.,Ltd for architectural millwork shops, custom door fabricators, and commercial hardware distributors.
• Custom Finishes & PVD Plating: Standard Matte Black in stock; custom architectural finishes including Satin Nickel, Brushed Gold/Brass, and Gunmetal Gray available on volume production runs.
• Contractor Packaging: Available in individual protective presentation boxes or bulk master cartons with customized SKU barcode labeling.
• Technical Support & Mortise Templates: Full CAD dimensional drawings, router mortise specs, and installation guides available for project specifications.