Simpson Strong Tie TTN25400PF 1/4-Inch by 4-Inch Titen Concrete and Masonry Screw with Phillips Head, Blue
Titen concrete and masonry screws are 3/16-inch and 1/4-inch diameter hardened screws for attaching all types of components to concrete and masonry. Available in hex and phillips head designs in standard blue, white and 410 stainless steel. Use with appropriately sized Titen drill bits included in each box. Bulk packages of 1,000 screws do not include a bit.