Engineered for superior durability, this set of hex head cap screws is crafted from heat-treated zinc steel, ensuring a robust and reliable fastening solution for your construction needs. With dimensions of 5/8 inch diameter and 3-1/2 inch length, these screws are ideal for heavy-duty applications where strength is paramount. Each pack contains 25 screws, providing ample supply for various projects, whether you're securing structural elements or assembling machinery.