The 4.5" x 4.0" Ball Bearing NRP Stainless Steel Hinge with 1/4" Radius Corners is built for heavy-duty performance, security, and sleek style. Designed for commercial and residential doors, this hinge ensures smooth, quiet operation and long-lasting durability.

Crafted from premium stainless steel, it resists rust and corrosion, making it perfect for both interior and exterior applications. The ball bearing design reduces friction for a smoother swing, while the Non-Removable Pin (NRP) adds an extra layer of security—ideal for exterior or high-traffic entry doors. The 1/4" radius corners provide a clean, modern fit that makes installation easier and more precise.

Key Features

• Size: 4.5" x 4.0" – heavy-duty commercial standard

• Material: Stainless Steel (SS) – rust and corrosion resistant

• Ball Bearing Design: Quiet, smooth, and durable door operation

• NRP (Non-Removable Pin): Security feature to prevent tampering

• Corner Style: 1/4" radius corners for easy, clean installation

• Applications: Excellent for commercial buildings, schools, offices, hospitals, and upscale residential doors

Why Choose This Hinge?

Smooth ball bearing action built for heavy doors

Extra protection with tamper-resistant NRP design
Corrosion-resistant stainless steel for long-lasting performance
Easy-to-fit 1/4" radius corners with a polished, professional look