6-Pack 4.5 inch X 4.5 inch Heavy Duty Commercial Door Hinge Thickened, with Silent Steel Plain Ball Bearing, Thickness 3 mm Stainless Steel Door Hinges, Square Corners with 48 Screws, Silver

6-Pack 4.5in Stainless Door Hinges with Ball Bearings
✔️ 4.5x4.5 in, 3 mm thick, stainless steel with silent bearing

This 6-pack delivers heavy-duty 4.5 x 4.5 inch stainless steel door hinges with a solid 3 mm thick body and silent steel plain ball bearings. Built for high-traffic interior and exterior doors, including fire-rated assemblies, these hinges come finished in black electroplating with square corners to fit standard template holes and provide a reliable, long-lasting mounting solution. Each hinge is designed to meet ANSI/BHMA standards and is ideal for commercial or busy residential doors; the set includes 48 screws for quick, secure installation.

✅ Size and thickness: 4.5 x 4.5 in, 0.11 in thick (3 mm)
✅ Material & finish: 304 stainless steel with black electroplating, square corners
✅ Bearing & operation: silent plain ball bearing for quiet, smooth doors
✅ Package contents and install: includes 6 hinges and 48 screws; 8 screws per hinge recommended
✅ Standards & compatibility: ANSI/BHMA compliant; suitable for fire-rated doors; interior and exterior use

💡 What is a door hinge with ball bearing used for in high-traffic commercial settings?

Handy explanation: It keeps doors swinging smoothly and protects framing when doors are used all day, every day.

• sealed ball bearing provides quiet operation and long life in busy doors
• handy for interior and exterior applications including fire-rated doors
• standard template holes simplify replacement with common fasteners
• eight screws per hinge ensures secure, durable mounting