Elevate your construction projects with these robust hex bolts, designed to offer superior strength and durability. Measuring 5/16 inches in diameter and 3-1/2 inches in length, each bolt is crafted from hot-dipped galvanized steel, ensuring exceptional resistance to rust and corrosion. Ideal for both indoor and outdoor applications, this pack of 50 bolts is perfect for securing heavy-duty materials with confidence and ease.