8-15 x 1 1/2 Phillips Pan Self Tapping Screw Type A Fully Threaded Black Zinc WIBZ The screw also has a

The screw also has a full thread that provides a secure hold

The screw is 3 inches long and has a diameter of 3/8 inches

It has a diameter of 8-32 and a length of 7/16 inches

The 4-40 x 1 1/8 Slotted Binding Undercut Machine Screw Fully Threaded 18-8 Stainless Steel is a screw that is typically used in binding applications

while the wings prevent the screw from spinning in the hole

8-15 x 1 1/2 Phillips Pan Self Tapping Screw Type A Fully Threaded Black Zinc WIBZ The screw also has aThese 8 15 x 1 1 2 Phillips pan head self tapping screws are Type A fully threaded screws with a black zinc finish. They are designed for use in metal applications and have a sharp point that helps them to penetrate the metal without the need for a pilot hole. The Phillips pan head provides a secure hold and is easy to drive with a Phillips screwdriver. The black zinc finish provides corrosion resistance and helps to prevent rust.