he 1/4'' x 1-1/4'' Slotted Hex Washer Head Concrete Screw Anchor is engineered for secure fastening in concrete, brick, masonry block, and wood substrates. Manufactured from carbon steel with a blue Xylan finish, this anchor offers superior corrosion resistance and durability. Its gimlet point design allows for self-tapping during installation, ensuring a strong hold in various base materials. Ideal for attaching electrical boxes, light fixtures, and other fixtures to masonry surfaces, this anchor provides reliable performance in both residential and commercial applications.