Simpson Strong Tie TTN25314H 1/4-Inch by 3-1/4-Inch Titen Concrete and Masonry Screw with 3/16-Inch Hex Head， Blue</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>H suffix for hex head</li><li>PF suffix for phillips head</li><li>B suffix bulk packages of 1，000 do not include a bit</li><li>Heat treated carbon 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/31N%2BfM4-xRL.jpg' noproxy></br>