6-18 x 3/8 Phillip Flat Undercut Self Tapping Screw Type A Fully Threaded Zinc BHT The Grade 2 rating indicates

The Grade 2 rating indicates its strength and reliability

it features a zinc and green coating for enhanced corrosion resistance

The bolt features a fully threaded shank that provides maximum holding power

and a #4 point

The Grade 5 rating indicates that the screw has a tensile strength of 120

6-18 x 3/8 Phillip Flat Undercut Self Tapping Screw Type A Fully Threaded Zinc BHT The Grade 2 rating indicatesThese 6 18 x 3 8 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, plastic, and wood. The screws have a sharp point that helps them to penetrate the material easily, and the self tapping threads help to create a strong hold. The screws are also zinc plated, which helps to protect them from corrosion.