8-15 x 1 1/2 Phillip Flat Undercut Self Tapping Screw Type A Fully Threaded Zinc 1/8-27 Its Grade 8 rating indicates

Its Grade 8 rating indicates exceptional strength and reliability

which means it can withstand a tensile strength of 120

The serrated flange helps to prevent the nut from loosening due to vibration or movement

The slotted head allows for easy driving with a flathead screwdriver

The square drive head allows for easy driving with a standard square drive bit

8-15 x 1 1/2 Phillip Flat Undercut Self Tapping Screw Type A Fully Threaded Zinc 1/8-27 Its Grade 8 rating indicatesThese 8 15 x 1 1 2 Phillips flat undercut self tapping screws are Type A fully threaded screws made of zinc. They are designed for use in a variety of applications, including metal to metal, metal to wood, and plastic to metal. The screws have a sharp point that helps them to penetrate the material easily, and the undercut head helps to prevent them from stripping. The screws are also zinc plated, which helps to protect them from corrosion.