The 80/20 Inc. 4303 Black 15 Series 4 Hole Wide Inside Corner Bracket is an essential component for anyone looking to create strong, reliable connections in their structural designs. This bracket is designed specifically for use with 15 Series profiles, offering unmatched versatility and durability.

Measuring 1.5 inches x 1.5 inches x 0.25 inches x 2.81 inches, the bracket features four strategically placed holes, each with a diameter of 0.328 inches. These holes are spaced on a 1.5 inch centerline, allowing for easy alignment and installation. The bracket is constructed from high-quality 6105-T5 aluminum with a sleek black anodized finish, ensuring it not only performs well but also looks great in any application.

One of the standout features of the 80/20 Inc. bracket is its durable connection. This bracket provides an external fastening method that creates a precise 90-degree connection. With two adjacent holes on each side of the bracket, it allows for a secure and stable assembly. Moreover, it requires no machining services, making it a convenient choice for your projects.

The design of this bracket enables infinite positioning along the profile T-slot, offering a large degree of adjustability. This flexibility is crucial when you need to make changes or adjustments during assembly, as it allows you to reposition and reuse the bracket easily. This adaptability can save you time and resources in the long run.

When using the 4 hole wide inside corner bracket, you can take advantage of its 2-degree drop-lock feature. This feature is engaged when the assembly bolts are tightened to the required torque, providing additional security to your connections. This ensures that your structures remain stable and robust, even under stress.

For optimal results, it is recommended to use assembly hardware #3330 and #3278, which can be found separately. These components will complement the bracket perfectly, enhancing your overall assembly experience.

In summary, the 80/20 Inc. 4303 Black 15 Series 4 Hole Wide Inside Corner Bracket is an excellent choice for anyone looking to build strong, adjustable, and reusable connections. Whether you’re working on a DIY project or a professional assembly, this bracket will provide the reliability and performance you need.