Simpson Strong-Tie® mechanical anchors are designed to install easily and securely into a variety of base materials, including concrete, grouted and hollow CMU and brick. Specifiers and contractors trust Simpson Strong-Tie anchors for optimum performance under the most demanding structural applications. The stainless-steel Titen screws attach various types of components to concrete and masonry in environments where a medium level of corrosion resistance is required. Available in hex and Phillips head, Titen screws are designed for use with appropriately sized drill bits that are included with each box.