Stainless Steel Simpson Strong Tie HD Anchors Available in bot 304 and 316 stainless, the stainless version of the Titen HD gives you the same drill it and drive it experience so now you can drill it drive it and the forget it! Diameters from 3/8" to 3/4" with a variety of lengths. Simpson Strong Tie Titen HD Concrete Screw Anchors. Ease of install and performance in a a variety of masonry base materials make this stainless Titen HD a nice addition to the line up. If you don't see the size or finish you are looking for, give us a call, we have it. Product data and performance info.