Malco HW8X1ZT Zip-In Self Piercing Screw 500 Count Carton</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>500 quantity of 1-inch length Hex washer zip in screws</li><li>Full 1/4-inch (no. 8) head will not strip out of Hex Driver opening</li><li>Instantly penetrates and engages in heavy gauge sheet metal and layered light gauge</li><li>Sharp tapered point will not walk， mushroom or break</li><li>Burr free， bright Zinc Plated， undercut-indented Hex washer slotted head</li><li>Self-piercing screws</li><li>Have a greater capacity for fastening heavier gauges of sheet metal than any other self-piercing screw</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/41%2BvyDKuBAL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41ovGg8RSjL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51c0H0vTvrL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/414ZdE9aKzL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41Gu%2B-ssBVL.jpg' noproxy></br>