Simpson Strong-Tie® Screw anchor, series: Titen®, 3/16 in dia, 2-3/4 in OAL, Hex Head Drive, Carbon Steel, 1 in Minimum Embedment Depth, 5/32 in Drill, Zinc Plated, Applicable Materials: Concrete and Masonry, 205 lb Shear Strength, 110 lb Tensile. Titen® Screws are Hardened Screws For Attaching All Types of Components to Concrete and Masonry. The se Fasteners are Commonly Used in Applications Such as Attaching Electrical Boxes, Light Fixtures or Window Frames Into Concrete or Masonry Base Materials. Simpson Strong-Tie® TTN18234H Screw Anchor, 3/16 in dia, 2-3/4 in OAL, Hex Head Drive, Carbon Steel, 1 in D Min Embedment