Conquest Lag Bolts, commonly referred to as lag screws, securely fasten wood together for a wide variety of applications. These hex lag screws are perfect for heavy lumber projects. They have thick shafts and coarse threads that allow for effortless installation. Pre-drilling is recommended before installation. When combined with compatible lag shield anchors, they can also be used for concrete and masonry applications. Corrosion-resistant and reliable, these hot dip galvanized lag bolts are ideal for exterior applications.