These HT Bolts ZP GR8.8, 3/8UNCX3.1/2" are engineered for robust performance in demanding environments. Featuring a zinc-plated finish, they offer enhanced corrosion resistance. Ideal for heavy-duty applications, these Grade 8.8 bolts ensure secure fastening with their precise 3/8" UNC thread and 3.1/2" length. Perfect for construction and industrial projects requiring reliable strength and durability.