JIW 18-Pack Matte Black Door Hinges 3.5 x 3.5 in – Heavy-Duty Interior Door Hardware

Overview

Upgrade interior doors, cabinets, and light outdoor structures with the JIW 18-pack Matte Black Door Hinges. Each hinge features a 3.5 x 3.5 inch mortise footprint and a modern matte black finish, delivering a sleek look that pairs well with contemporary hardware while offering solid, daily usability.

These hinges are designed to blend style with practical performance. The matte finish helps reduce visible fingerprints and scratches, keeping doors looking refined in high-traffic spaces such as bedrooms, offices, and workshops.

Key features at a glance

• Three-and-a-half inch square mortise hinges with six mounting holes for flexible indoor and outdoor applications including doors, cabinets, and wooden boxes.
• Includes 108 screws for quick installation, plus extra-long 18 screws to support replacement using the same hole pattern.
• Can rotate up to 270 degrees, accommodating multiple swing directions and door configurations.
• Plain bearing design delivers smooth, quiet operation with a sturdy, long-lasting feel.
• Durable black metal construction with a modern finish that coordinates with various door knobs and accents.

Ideal uses and placement

• Interior doors in bedrooms, offices, dorms, retail spaces, and shared living areas.
• Sheds, garages, treehouses, and other light outdoor structures that require reliable, non-intrusive hardware.
• Cabinets, wardrobes, and wooden boxes where a low-profile, square-corner hinge is preferred.

Installation and practical notes

The set is designed for standard hole patterns and mortises, with quick setup aided by the included screws. The removable pin option provides convenience for adjustments or future replacements. A matte black finish helps the hardware blend with a wide range of doors and fixtures, creating a cohesive look throughout a space.

To get the best results, pair these hinges with appropriate door thickness and frame clearance, predrill pilot holes to prevent wood splitting, and tighten all screws evenly to ensure smooth operation over time.