Designed for maximum performance, the 1/2 x 8 DeWALT Engineered by Powers SCREW-BOLT+™ High Performance Screw Anchor Zinc-Plated (25) is ideal for numerous heavy-duty applications. With a proven 100% withdrawal resistance, these anchors have been tested to ensure superior strength and longevity. Get the quality you need with 25 anchors in every package.