These HT Bolts ZP GR8.8, 5/8UNCX2.1/2" are engineered for strength and durability, ideal for heavy-duty applications. Featuring a zinc-plated finish, they offer excellent corrosion resistance. The Grade 8.8 classification ensures reliable performance under high stress, making them perfect for construction and industrial projects. Upgrade your fastening solutions with these robust and dependable bolts.