Power Pro 3/16" x 2-3/4" Hex Washer-Head Concrete Screw Anchors, 225-Pack are performing code- screw anchors designed specifically for fastening into concrete and masonry materials. These anchors feature a durable epoxy coating that provides superior, multi-layer corrosion resistance, making them i for treated lumber and outdoor applications. They have been rigorously tested, surpassing 1,500 hours of salt spray testing, and carry various building code approvals including ICC ES ratings for concrete, masonry, and chemically treated wood. The blue color of the anchors complements many projects, while the heat-treated carbon steel construction ensures high material strength and durability. Their wide, serrated threads cut fast, easy, and clean into concrete, with mid-crossband threads ing drive stability. Threaded to the tip, these anchors allow quick penetration and sinking into wood without the need for a chisel point. The hex washer head is for metal and flat material-to-concrete applications, and letter codes on the head make length identification and post-installation inspection simple. by the California Building Code and Florida Building Code, and with Miami-Dade County Product Control approval in process, these anchors are also safe for use with AC257 treated lumber. Model Number: 377003