8-15 x 5/8 Phillip Flat Undercut Self Tapping Screw Type A Fully Threaded Black Oxide 1 1/4-12 NE The bolt has a fully

The bolt has a fully threaded shank and a square head with a washer face

The black oxide finish enhances corrosion resistance and provides a sleek appearance

They are typically used with bolts that have a countersunk head

The 1/4-20 x 5/16 Weld Nut With Projections

which provides a greater bearing surface area and helps to distribute the load more evenly

8-15 x 5/8 Phillip Flat Undercut Self Tapping Screw Type A Fully Threaded Black Oxide 1 1/4-12 NE The bolt has a fullyThese 8 15 x 5 8 Phillips flat undercut self tapping screws are Type A fully threaded and have a black oxide finish. They are designed for use in metal applications and have a sharp point that helps them to penetrate the material easily. The flat undercut head provides a flush finish when countersunk. These screws are available in a variety of lengths and diameters to meet your specific needs.