Prime-line 3/8 In. Aluminum Window Frame Corner

Discover Prime Line 3/8" Metal Mitered Window Corner Brackets – 20‑Pack, the essential hardware for a flawless finish on aluminum window frames. Each corner piece is precision‑cut from sturdy steel, delivering a clean 45° miter that aligns perfectly with the frame edges. The compact design blends seamlessly with modern window profiles while providing the strength needed for long‑term durability.

Why choose these metal window corners? They simplify the installation process, reduce the need for additional fasteners, and protect the joint from moisture infiltration. Whether you are a professional contractor or a DIY enthusiast, these brackets ensure a tight, secure connection that enhances the overall appearance of any window project.

• Precision‑Mitered Angles: 45° steel corners guarantee exact alignment for a seamless look, boosting your window’s aesthetic appeal.
• Robust 3/8" Thickness: Heavy‑gauge metal resists bending and warping, delivering lasting structural support for aluminum frames.
• Universal Compatibility: Engineered to pair with Prime Line part numbers PL14155, PL14156 and PL14157, making it a perfect match for existing inventory.
• Easy Installation: Pre‑drilled holes allow quick fastening with standard screws, cutting labor time and minimizing errors.
• Bulk Value Pack: Twenty corners per package provide ample supply for multiple windows, ideal for renovation projects or new construction.

Upgrade your window assemblies today: With Prime Line’s metal mitered corners, you gain a reliable, professional‑grade solution that enhances strength, appearance, and weather resistance. Choose the 20‑piece pack for cost‑effective stocking and enjoy the confidence of a secure, polished window finish every time.