Steel Self-Drilling Screw, Zinc Plated Finish, Sealing Hex Washer Head With EPDM Washer, Hex Drive, #3 Drill Point, 1/4"-14 Thread Size, 4" Length (Pack of 25)
</br></br>

</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/41dfw33I9QL.jpg'></br>