Door Hinge 3-1/2'' Square-Edge Mortise 3-ct Satin Brass - National Hardware N830-332 (2-PACK) Upgrade interior doors with the National Hardware N830-332 mortise hinge, a durable 3-1/2-inch square-edge hinge crafted for strength, smooth operation, and classic style. Sold in a pack of three, this satin brass-finished hinge is ideal for residential interior doors, including bedrooms, bathrooms, closets, and hallways. Constructed from heavy-gauge cold-rolled steel, it delivers superior durability and a 50 lb weight capacity, ensuring long-term performance under daily use. Featuring a full-mortise design with five knuckles, the hinge provides a flush, seamless fit into the door and frame for a clean, professional appearance. The square-edge profile offers a traditional look that complements a wide range of door styles. Each hinge includes six countersunk screw holes and comes with matching fasteners, simplifying installation and eliminating the need for additional hardware. The removable pin allows for easy door removal when needed?ideal for painting, maintenance, or carpet installation. The satin brass finish provides a warm, polished look with excellent corrosion resistance, maintaining its appearance over time. With a pin diameter of 0.234 inches and mounting hole diameter of 0.272 inches, the hinge ensures a secure, wobble-free fit. Each leaf measures 3-1/2 inches in height, and the door leaf thickness is designed for standard 0.08-inch material compatibility. Measuring 3-1/2 inches by 3-1/2 inches, these hinges are engineered for full-mortise installation and are optimized for interior residential applications. Packaged in a carded retail format (6.5" L x 5.51" W x 0.98" H), they are easy to store and transport. The total package weight is 1.275 lbs, making them lightweight yet robust for everyday use. Features - Pack of three 3-1/2" square-edge mortise door hinges - Heavy-gauge cold-rolled steel construction for strength and durability - Full-mortise, five-knuckle design for smooth, stable operation - Satin brass finish resists tarnishing and enhances interior decor - Removable pin for easy door installation and removal - Includes six countersunk screw holes with mounting hardware - Supports up to 50 lbs per hinge?ideal for standard interior doors - Flush pin design for a clean, finished appearance - Square corner design for traditional aesthetic - Designed for interior residential door applications Specifications - Brand Name: National Hardware - Model Name: National Hardware N830-332 - Part Number: N830-332 - UPC: 886780010251 - Product Type: Door Hinge - Hinge Type: Mortise Design - Mounting Type: Full-Mortise - Material: Steel - Finish: Satin Brass - Color: Satin Brass - Frame Leaf Height: 3-1/2 inches - Door Leaf Height: 3-1/2 inches - Door Leaf Thickness: 0.08 inches - Number of Holes: 6 - Number of Mounting Holes: 6 - Mounting Hole Diameter: 0.272 inches - Pin Type: Removable - Pin Diameter: 0.234 inches - Angle: 90 degrees (standard) - Weight Capacity: 50 lbs - Safe Working Load: 50 lbs - Dimensions: 3-1/2" L x 3-1/2" W - Product Length: 6.50 inches - Product Width: 5.51 inches - Product Height: 0.98 inches - Item Weight: 1.275 lbs - Number in Package: 3 - Hardware Included: Yes - Packaging Type: Carded - Application: Interior residential doors - Manufacturer: National Mfg Sales Co - Country of Origin: China Product Application The National Hardware N830-332 mortise hinge is designed for reliable, long-lasting use on interior doors in homes and apartments. Its sturdy steel build and full-mortise installation ensure stability and alignment, reducing sagging over time. The removable pin and included screws make it easy to install, adjust, or remove doors as needed. With a classic square-edge design and elegant satin brass finish, it combines functionality with timeless style, making it a top choice for builders, contractors, and homeowners seeking quality hardware for everyday door performance.