The Hillman GroupThe Hillman Group 35264 Truss Washer Head Phillips Lath Self-Drilling Screw 8 x 1/2 100-Pack</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>They are used in wood， fiberglass and metal</li><li>Self-drilling or self-tapping metal screws increase productivity by reducing the number of steps required to screw together pieces of metal</li><li>Zinc-Plated</li><li>The self-drilling screw possesses a drill point enabling it to drill in its own hole in thin gauge steel</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41TwGOlPffL.jpg' noproxy></br>