National Marker N830201 Door Hinge 4 in Oil Rubbed Bronze

Product Description

The NATIONAL MARKER N830201 is a 4-inch round-corner residential door hinge finished in oil rubbed bronze. Designed for interior door applications, this hinge features a 1/4-inch corner radius and a removable pin that simplifies installation and replacement. Constructed from steel, it delivers the structural integrity required for standard residential interior door swings. Mounting screws are included. Installation requires no specialty hardware beyond a standard screwdriver, making this a straightforward swap for residential service work.

This hinge is suited for interior residential door installations where a round-corner profile is specified. The oil rubbed bronze finish coordinates with matching hardware sets commonly found in residential remodel and new construction projects. It is sold individually and is appropriate for use by carpenters, general contractors, and maintenance technicians working on interior door assemblies.

Key Features

• 4-inch leaf size with 1/4-inch round corner radius
• Oil rubbed bronze finish for interior aesthetic coordination
• Removable pin for simplified installation and door removal
• Steel construction for durability in standard residential door applications
• Mounting screws included

Compatibility

Designed as an OEM-style replacement and new-installation hinge for standard interior residential doors requiring a 4-inch round-corner hinge with a 1/4-inch radius. Referenced as National Model 512RC in supplier documentation.

Installation Notes

Installation is performed by carpenters or general maintenance technicians using standard hand tools. Remove the door from the existing hinge location before beginning mortise work or hinge replacement. Ensure the door and frame are properly supported during installation to prevent movement or damage. Follow applicable local building codes for door hardware installation in residential construction.

Technical Specifications

• Hinge Size: 4 inches
• Corner Radius: 1/4 inch round corner
• Finish: Oil Rubbed Bronze
• Material: Steel
• Pin Type: Removable
• Weight: 0.55 pounds
• Application: Interior Residential
• UPC: 00886780009415

Standard Information

• Brand: NATIONAL MARKER
• Manufacturer Part Number: N830201