Built for strength, security, and smooth operation, the 4.5" x 4.5" Ball Bearing NRP USP Hinge is the perfect choice for heavy-duty doors in commercial or residential applications.

This hinge features a ball bearing design that minimizes friction for long-lasting performance and quiet door movement. The Non-Removable Pin (NRP) ensures added protection against tampering, making it an excellent choice for exterior or high-security doors.

Finished in USP (US Prime – polished steel), this hinge offers a clean, professional look while delivering unmatched durability.

Key Features

• Size: 4.5" x 4.5" – industry-standard commercial hinge size

• Ball Bearing Design: Smooth, quiet operation, ideal for heavy doors

• NRP (Non-Removable Pin): Extra security against pin removal

• USP Finish (US Prime Steel): Polished, professional look with lasting durability

• Heavy-Duty Construction: Built to withstand high-traffic use

• Applications: Perfect for schools, offices, hospitals, and secure residential entry doors

Why You’ll Love It

Strong, secure, and built for long-term performance
Smooth ball bearing movement that reduces wear
Tamper-resistant design with non-removable pin
Sleek USP finish complements a variety of door styles