8-15 x 7/8 Square Pan Self Tapping Screw Type A Fully Threaded Zinc APF and the black zinc finish

and the black zinc finish provides corrosion resistance

The screw is 16 inches long and has a diameter of 1 1/2-6 inches

The hex washer head provides a secure hold and prevents the screw from slipping

5/16-18 x 5 1/2 Hanger Bolt Plain Center Zinc is a type of bolt specifically designed for suspending objects from a ceiling or wall

which provides additional strength and support

8-15 x 7/8 Square Pan Self Tapping Screw Type A Fully Threaded Zinc APF and the black zinc finishThese 8 15 x 7 8 square pan self tapping screws are Type A screws, meaning they have a fully threaded body. They are made of zinc plated steel for corrosion resistance and have a square pan head for easy driving. These screws are designed for use in a variety of applications, including metal to metal, metal to wood, and plastic to metal assemblies. They are available in a variety of lengths and finishes to meet your specific needs.