8-15 x 5/8 Phillips Full Contour Truss Self Tapping Screw Type A Fully Threaded Black Oxide KWTFMS while the serrated design helps

while the serrated design helps prevent the screw from slipping during installation

The hex head design allows for easy tightening and loosening with a wrench

This 1/2-13 x 1 1/4 hex tap bolt is made of Grade 5 steel and has a fully threaded body

This 1/4-14 x 1 1/4" unslotted indented hex washer self-drilling screw is made of steel and has a black zinc finish

The 1/4-20 x 2 1/4 Carriage Bolt Fully Threaded Zinc is a high-quality fastener designed for a variety of applications

8-15 x 5/8 Phillips Full Contour Truss Self Tapping Screw Type A Fully Threaded Black Oxide KWTFMS while the serrated design helpsThese 8 15 x 5 8 Phillips Full Contour Truss Self Tapping Screw Type A Fully Threaded Black Oxide are designed for use in a variety of applications, including metal to metal, metal to wood, and wood to wood. They are made of steel and have a black oxide finish for corrosion resistance. The screws have a full thread design that provides maximum holding power, and they are self tapping, which eliminates the need for pre drilling. The Phillips drive head